Although no ghouls or goblins or trick-or-treaters come knocking at the International Space Station’s front hatch, crew members aboard the orbiting facility still like to get in the Halloween spirit. Whether individually or as an entire crew, they dress up in sometimes spooky, sometimes scary, but always creative costumes, often designed from materials available aboard the space station. Please enjoy the following scenes from Halloweens past even as we anticipate the costumes of the future.
Left: Wearing a black cape, Expedition 16 NASA astronaut Clayton C. Anderson channels his inner vampire for Halloween 2007. Image credit: courtesy Clayton C. Anderson. Middle: For Halloween 2009, the Expedition 21 crew shows off its costumes. Right: Expedition 21 NASA astronaut Nicole P. Stott shows off her Halloween costume.
Left: An orange dressed as a pumpkin for Halloween, courtesy of Expedition 21 NASA astronaut Nicole P. Stott. Middle: Italian Space Agency astronaut Luca S. Parmitano finally gets his wish to fly like Superman during Expedition 37. Right: Who’s that behind the scary mask? None other than NASA astronaut Scott J. Kelly celebrating Halloween in 2015 during his one-year mission.
Left: Expedition 53 Commander NASA astronaut Randolph J. “Randy” Bresnik showing off his costume. Middle: Expedition 53 NASA astronaut Joseph M. Acaba wearing Halloween colors. Right: Expedition 53 European Space Agency astronaut Paolo A. Nespoli showing off his Spiderman skills.
Left: Expedition 57 crewmembers in their Halloween best – European Space Agency astronaut and Commander Alexander Gerst, left, and NASA astronaut Serena M. Auñón-Chancellor. Right: Members of Expedition 61, NASA astronaut Christina H. Koch, top left, European Space Agency astronaut Luca S. Parmitano, NASA astronaut Andrew R. “Drew” Morgan, and NASA astronaut Jessica U. Meir, show off their Halloween spirit in 2019.
Left: Expedition 66 crewmembers NASA astronaut R. Shane Kimbrough, left, Thomas G. Pesquet of the European Space Agency, Akihiko Hoshide of the Japan Aerospace Exploration Agency, and NASA astronaut Mark T. Vande Hei showing off their Halloween cards. Right: A hand rising from the grave?
In October 2021, Crew-3 NASA astronauts Raja J. Chari, Thomas H. Marshburn, Kayla S. Barron, and Matthias J. Maurer of the European Space Agency (ESA), had some undisclosed plans for when they reached the space station just before Halloween. However, bad weather at NASA’s Kennedy Space Center in Florida thwarted those super-secret spooky Halloween plans, delaying their launch until Nov. 11. Undeterred, Expedition 66 crewmembers who awaited them aboard the station held their own Halloween shenanigans. ESA astronaut Thomas G. Pesquet posted on social media that “Strange things were happening on ISS for Halloween. Aki rising from the dead (or is it from our observation window?),” referring to fellow crew member Akihiko Hoshide of the Japan Aerospace Exploration Agency.
Left: In 2022, Expedition 68 astronauts Koichi Wakata of the Japan Aerospace Exploration Agency, left, and NASA astronauts Francisco “Frank” C. Rubio, Nicole A. Mann, and Josh A. Cassada dressed as popular video game and cartoon characters, using stowage containers in their Halloween costumes and holding improvised trick-or-treat bags. Middle: Expedition 70 astronauts Jasmin Moghbeli of NASA, left, Satoshi Furakawa of the Japan Aerospace Exploration Agency, NASA astronaut Loral A. O’Hara, and European Space Agency astronaut Andreas E. Mogensen celebrate Halloween 2023. Right: The Expedition 72 crew has decorated the Node 1 galley with a pumpkin in preparation for Halloween 2024.
The spookiness will continue …
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8 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
Artemis I Moon Tree seedlings continue to find new homes with schools, museums, libraries, universities, and community organizations across the contiguous United States. An open call to NASA’s Artifacts Module in Fall, 2023 welcomed over 1000 organization submissions, which were reviewed and ranked by a joint USDA Forest Service and NASA panel.
Final recipient selection and seedling assignments for each cycle are informed by rank and region, and subject to a limited inventory of trees germinated from each of the five species of seeds flown aboard Artemis I in 2022. Recipient selection and seedling distribution follows four cycles: Spring 2024, Fall 2024, Spring 2025, and Fall 2025.
Spring 2024 Artemis I Moon Tree Stewards
Alabama
Fairfield City Schools – Fairfield High Preparatory School Fairfield AL American Sweetgum
Meridianville Middle School Hazel Green AL Loblolly Pine
Pioneer Museum of Alabama Troy AL Loblolly Pine
Troy University Arboretum Troy AL Loblolly Pine
Arkansas
Baxter County Library Mountain Home AR American Sweetgum
Arizona
University of Arizona – Lunar and Planetary Laboratory (LPL) Tucson AZ American Sweetgum
California
Forestr.org Castro Valley CA Sequoia
Girl Scout Troop 7574 Dana Point CA Sequoia
Greenfield Union School District Greenfield CA Sequoia
Quest Science Center Livermore CA Sequoia
Santiago STEAM Magnet Elementary School Lake Forest CA Sequoia
Colorado
United States Air Force Academy USAF Academy CO American Sweetgum
Connecticut
New Milford High School New Milford CT American Sweetgum
South School – New Canaan School District New Canaan CT Sycamore
Yale University Marsh Botanical Garden New Haven CT American Sweetgum
Washington, DC
United States Capitol
Washington, DC DC American Sweetgum
Florida
Agricultural Biotechnology Academy, West Florida High School of Advanced Technology, Escambia County School District Pensacola FL Loblolly Pine
Cornerstone Learning Community Tallahassee FL American Sweetgum
Dreamers Academy Sarasota FL American Sweetgum
Florida Forest Service Tallahassee FL Loblolly Pine
Florida Polytechnic University Lakeland FL American Sweetgum
Gulfside Community Partnership School Holiday FL Loblolly Pine
H.B. Plant High School Tampa FL American Sweetgum
Hobbs Middle School Milton FL American Sweetgum
Lawton Environmental Study Area (LESA), T.W. Lawton Elementary Oviedo FL American Sweetgum
Montverde Academy Montverde FL American Sweetgum
Museum of Archaeology, Paleontology & Science New Port Richey FL American Sweetgum
Museum of Science and Industry Tampa FL American Sweetgum
North Andrews Gardens Elementary Oakland Park FL American Sweetgum
Orange Park Elementary Orange Park FL American Sweetgum
Pine Crest School Fort Lauderdale FL American Sweetgum
Port Malabar Elementary School Palm Bay FL American Sweetgum
St. Peter Catholic School Deland FL Loblolly Pine
UF/IFAS Extension Clay County 4-H Green Cove Springs FL Loblolly Pine
University of West Florida Pensacola FL Loblolly Pine
West Navarre Intermediate School Navarre FL American Sweetgum
Georgia
Berrien Elementary School Nashville GA Loblolly Pine
East Georgia State College Swainsboro GA Loblolly Pine
Lilburn Elementary School Lilburn GA Loblolly Pine
Park Elementary School Hamilton GA Loblolly Pine
Sagamore Hills Elementary School Atlanta GA Loblolly Pine
United States Air Force Moody Air Force Base GA American Sweetgum
Iowa
Cedar Rapids Community School District, Metro High School Cedar Rapids IA Sycamore
Idaho
American Falls High School American Falls ID Sycamore
Illinois
Eagle Pointe Elementary School Plainfield IL Sycamore
Marion Community Unit #2 School District, Marion Junior High School Marion IL Sycamore
Monmouth College Monmouth IL American Sweetgum
Indiana
Franklin Community High School Franklin IN American Sweetgum
Hayes Arboretum Richmond IN American Sweetgum
Kansas
Tecumseh South Elementary School Tecumseh KS American Sweetgum
Kentucky
Christian County Middle School Hopkinsville KY American Sweetgum
FIND Outdoors Gladie Visitor Center, Red River Gorge Stanton KY American Sweetgum
Graves County High School Mayfield KY American Sweetgum
Martha Layne Collins High School Shelbyville KY American Sweetgum
Louisiana
Shreve Island Elementary, Caddo Parish Schools Shreveport LA American Sweetgum
YMCA of Bogalusa Bogalusa LA Loblolly Pine
Massachusetts
Bernardston Elementary School Bernardston MA American Sweetgum
Michigan
The Botanic Garden at Historic Barns Park Traverse City MI Sycamore
Minnesota
Forest Lake Area High School Forest Lake MN Sycamore
Missouri
Columbia Public Schools Elementary Gifted Program Columbia MO American Sweetgum
Trailridge Elementary Lee’s Summit MO American Sweetgum
Mississippi
Bayou Academy Cleveland MS American Sweetgum
Clinton Community Nature Center Clinton MS American Sweetgum
North Carolina
Cardinal Gibbons High School Raleigh NC American Sweetgum
FIND Outdoors Cradle of Forestry Pisgah National Forest NC American Sweetgum
Mars Hill University Mars Hill NC American Sweetgum
Montgomery County NC Extension Master Gardener Volunteers; The Gathering Garden Mount Gilead NC Loblolly Pine
North Carolina Executive Mansion – Governor’s Residence
Raleigh NC Loblolly Pine
North Carolina School of Science and Mathematics – Morganton Morganton NC American Sweetgum
White Oak High School Jacksonville NC American Sweetgum
North Carolina School of Science and Mathematics – Durham Durham NC Sycamore
Nebraska
Hastings College Hastings NE American Sweetgum
University of Nebraska-Lincoln Lincoln NE American Sweetgum
New Hampshire
Barnstead Elementary School Center Barnstead NH Sycamore
Nashua Community College Nashua NH Sycamore
New Jersey
Edelman Planetarium at Rowan University Glassboro NJ American Sweetgum
Information Age Learning Center Wall Township NJ American Sweetgum
New Mexico
New Mexico Farm & Ranch Heritage Museum Las Cruces NM Loblolly Pine
New York
Baldwinsville Central School District Baldwinsville NY Sycamore
Bronx Community College Bronx NY Sycamore
Franklin Middle School, Kenmore-Town of Tonawanda School District Town of Tonawanda NY Sycamore
Pembroke Junior/Senior High School Corfu NY American Sweetgum
Rome City School District Rome NY Sequoia
State University of New York (SUNY) – New Paltz New Paltz NY American Sweetgum
Suffolk County Vanderbilt Museum and Planetarium Centerport NY American Sweetgum
Ohio
Claymont High School Uhrichsville OH Sycamore
Coldwater Exempted Village Schools Coldwater OH American Sweetgum
Copley-Fairlawn Middle School, Copley-Fairlawn City Schools Copley OH Sycamore
Liberty-Benton High School Findlay OH Sycamore
Marshall STEMM Academy Toledo OH American Sweetgum
Portsmouth City Schools Portsmouth OH American Sweetgum
Pymatuning Valley High School Andover OH American Sweetgum
Wayne National Forest Nelsonville OH American Sweetgum
Oklahoma
Centennial Middle School Broken Arrow OK Loblolly Pine
Jenks Northwest Elementary School Tulsa OK American Sweetgum
Perkins Public Library: Thomas – Wilhite Memorial Library Perkins OK American Sweetgum
Oregon
Crow Middle School Eugene OR American Sweetgum
Friends of Myrtle Creek Library Myrtle Creek OR American Sweetgum
Lent Elementary School Portland OR American Sweetgum
Tamarack Elementary School Hillsboro OR American Sweetgum
Willamette Elementary School, McMinnville School District McMinnville OR American Sweetgum
Pennsylvania
Allegheny Observatory, University of Pittsburgh Pittsburgh PA American Sweetgum
Montour High School McKees Rocks PA American Sweetgum
Penn State University, Penn State Erie – The Behrend College Erie PA American Sweetgum
Penn State University, Penn State Schuylkill University Park PA Sycamore
Perkiomen Valley Middle School East Collegeville PA American Sweetgum
The Reading Public Museum Reading PA Sycamore
Rhode Island
Tiverton Public Library Tiverton RI American Sweetgum
South Carolina
Academy for the Arts, Science, & Technology Myrtle Beach SC Loblolly Pine
Conway Elementary School Conway SC American Sweetgum
Manning Early Childhood Center, Clarendon School District Manning SC American Sweetgum
Spartanburg Community College Horticulture Program Spartanburg SC American Sweetgum
Tennessee
Great Smoky Mountain Council, Boy Scouts of America Knoxville TN American Sweetgum
Lipscomb Academy Nashville TN American Sweetgum
Pellissippi State Community College Knoxville TN Loblolly Pine
Sumner Academy Gallatin TN American Sweetgum
Texas
Atlanta Public Library Atlanta TX American Sweetgum
Beaumont Children’s Museum & Beaumont Botanical Gardens Beaumont TX Loblolly Pine
Bonham Pre-Kindergarten School San Marcos TX Loblolly Pine
Charles W. Young Junior High School Arlington TX Loblolly Pine
Clear Creek Intermediate, Clear Creek Independent School District (CCISD) League City TX American Sweetgum
Dallas Arboretum and Botanical Garden – Children’s Adventure Garden Dallas TX American Sweetgum
DeKalb Independent School District De Kalb TX Loblolly Pine
Doss Consolidated Common School District (CCSD) Doss TX American Sweetgum
Fort Worth Botanic Garden Fort Worth TX Loblolly Pine
Galveston County 4H Texas A&M AgriLife Extension Program (Houston Botanic Gardens) Houston TX American Sweetgum
Goliad Independent School District Goliad TX Loblolly Pine
Greens Prairie Elementary School College Station TX American Sweetgum
Groves Elementary School Humble TX Loblolly Pine
Kay Granger Elementary School Fort Worth TX Loblolly Pine
Leadership Big Bend, Nopalitos Park Alpine TX American Sweetgum
Science Hall Elementary School Kyle TX American Sweetgum
Scobee Education Center at San Antonio College San Antonio TX Loblolly Pine
Space Center Intermediate, Clear Creek Independent School District (CCISD) Houston TX Loblolly Pine
Texas A&M Forest Service Conroe TX American Sweetgum
Texas A&M University, Physics & Astronomy Department College Station TX American Sweetgum
University of Texas at Arlington Arlington TX American Sweetgum
Uplift Summit International Preparatory Middle School Arlington TX Loblolly Pine
Westside Elementary School Cedar Park TX Loblolly Pine
Zilker Botanical Garden Conservancy Austin TX Loblolly Pine
Utah
Southern Utah University STEM Center Cedar City UT American Sweetgum
Virginia
Essex County Museum Tappahannock VA American Sweetgum
Virginia Living Museum Newport News VA Loblolly Pine
Virginia Zoo Norfolk VA Loblolly Pine
Washington
Innovation Lab High School Bothell WA Sycamore
Orchard Prairie School District Spokane WA Sycamore
Richland School District Richland WA Sycamore
Upper Columbia Resource Conservation & Development Council Spokane Valley WA Sycamore
Yakima Area Arboretum Yakima WA Sycamore
Wisconsin
Dunn County Historical Society Menomonie WI Sycamore
Fall 2024 Artemis I Moon Tree Stewards
Distribution is underway through November 2024. This list will be updated once distribution is complete. Previously notified recipients who have not received a seedling may be deferred to a later cycle based on current ready-to-ship seedling inventory.
Spring 2025 Artemis I Moon Tree Stewards
Selection is in progress.
Fall 2025 Artemis I Moon Tree Stewards
Selection is in progress.
6 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
The space telescope will detect over 100 colors from hundreds of millions of stars and galaxies. Here’s what astronomers will do with all that color.
NASA’s SPHEREx mission won’t be the first space telescope to observe hundreds of millions of stars and galaxies when it launches no later than April 2025, but it will be the first to observe them in 102 colors. Although these colors aren’t visible to the human eye because they’re in the infrared range, scientists will use them to learn about topics that range from the physics that governed the universe less than a second after its birth to the origins of water on planets like Earth.
“We are the first mission to look at the whole sky in so many colors,” said SPHEREx Principal Investigator Jamie Bock, who is based jointly at NASA’s Jet Propulsion Laboratory and Caltech, both in Southern California. “Whenever astronomers look at the sky in a new way, we can expect discoveries.”
Short for Spectro-Photometer for the History of the Universe, Epoch of Reionization and Ices Explorer, SPHEREx will collect infrared light, which has wavelengths slightly longer than what the human eye can detect. The telescope will use a technique called spectroscopy to take the light from hundreds of millions of stars and galaxies and separate it into individual colors, the way a prism transforms sunlight into a rainbow. This color breakdown can reveal various properties of an object, including its composition and its distance from Earth.
Here are the three key science investigations SPHEREx will conduct with its colorful all-sky map.
Cosmic Origins
What human eyes perceive as colors are distinct wavelengths of light. The only difference between colors is the distance between the crests of the light wave. If a star or galaxy is moving, its light waves get stretched or compressed, changing the colors they appear to emit. (It’s the same with sound waves, which is why the pitch of an ambulance siren seems to go up as its approaches and lowers after it passes.) Astronomers can measure the degree to which light is stretched or compressed and use that to infer the distance to the object.
SPHEREx will apply this principle to map the position of hundreds of millions of galaxies in 3D. By doing so, scientists can study the physics of inflation, the event that caused the universe to expand by a trillion-trillion fold in less than a second after the big bang. This rapid expansion amplified small differences in the distribution of matter. Because these differences remain imprinted on the distribution of galaxies today, measuring how galaxies are distributed can tell scientists more about how inflation worked.
Galactic Origins
SPHEREx will also measure the collective glow created by all galaxies near and far — in other words, the total amount of light emitted by galaxies over cosmic history. Scientists have tried to estimate this total light output by observing individual galaxies and extrapolating to the trillions of galaxies in the universe. But these counts may leave out some faint or hidden light sources, such as galaxies too small or too distant for telescopes to easily detect.
With spectroscopy, SPHEREx can also show astronomers how the total light output has changed over time. For example, it may reveal that the universe’s earliest generations of galaxies produced more light than previously thought, either because they were more plentiful or bigger and brighter than current estimates suggest. Because light takes time to travel through space, we see distant objects as they were in the past. And, as light travels, the universe’s expansion stretches it, changing its wavelength and its color. Scientists can therefore use SPHEREx data to determine how far light has traveled and where in the universe’s history it was released.
Water’s Origins
SPHEREx will measure the abundance of frozen water, carbon dioxide, and other essential ingredients for life as we know it along more than 9 million unique directions across the Milky Way galaxy. This information will help scientists better understand how available these key molecules are to forming planets. Research indicates that most of the water in our galaxy is in the form of ice rather than gas, frozen to the surface of small dust grains. In dense clouds where stars form, these icy dust grains can become part of newly forming planets, with the potential to create oceans like the ones on Earth.
The mission’s colorful view will enable scientists to identify these materials, because chemical elements and molecules leave a unique signature in the colors they absorb and emit.
Big Picture
Many space telescopes, including NASA’s Hubble and James Webb, can provide high-resolution, in-depth spectroscopy of individual objects or small sections of space. Other space telescopes, like NASA’s retired Wide-field Infrared Survey Explorer (WISE), were designed to take images of the whole sky. SPHEREx combines these abilities to apply spectroscopy to the entire sky.
By combining observations from telescopes that target specific parts of the sky with SPHEREx’s big-picture view, scientists will get a more complete — and more colorful — perspective of the universe.
More About SPHEREx
SPHEREx is managed by JPL for NASA’s Astrophysics Division within the Science Mission Directorate in Washington. BAE Systems (formerly Ball Aerospace) built the telescope and the spacecraft bus. The science analysis of the SPHEREx data will be conducted by a team of scientists located at 10 institutions across the U.S. and in South Korea. Data will be processed and archived at IPAC at Caltech, which manages JPL for NASA. The mission principal investigator is based at Caltech with a joint JPL appointment. The SPHEREx dataset will be publicly available.
For more information about the SPHEREx mission visit:
https://www.jpl.nasa.gov/missions/spherex/
News Media Contact
Calla Cofield
Jet Propulsion Laboratory, Pasadena, Calif.
626-808-2469
calla.e.cofield@jpl.nasa.gov
2024-152
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‘Blood-Soaked’ Eyes: NASA’s Webb, Hubble Examine Galaxy Pair
NASA, ESA, CSA, STScI
Stare deeply at these galaxies. They appear as if blood is pumping through the top of a flesh-free face. The long, ghastly “stare” of their searing eye-like cores shines out into the supreme cosmic darkness.
It’s good fortune that looks can be deceiving.
These galaxies have only grazed one another to date, with the smaller spiral on the left, cataloged as IC 2163, ever so slowly “creeping” behind NGC 2207, the spiral galaxy at right, millions of years ago.
The pair’s macabre colors represent a combination of mid-infrared light from NASA’s James Webb Space Telescope with visible and ultraviolet light from NASA’s Hubble Space Telescope.
Image A: Galaxies IC 2163 and NGC 2207 (Webb and Hubble Image)
Look for potential evidence of their “light scrape” in the shock fronts, where material from the galaxies may have slammed together. These lines represented in brighter red, including the “eyelids,” may cause the appearance of the galaxies’ bulging, vein-like arms.
The galaxies’ first pass may have also distorted their delicately curved arms, pulling out tidal extensions in several places. The diffuse, tiny spiral arms between IC 2163’s core and its far left arm may be an example of this activity. Even more tendrils look like they’re hanging between the galaxies’ cores. Another extension “drifts” off the top of the larger galaxy, forming a thin, semi-transparent arm that practically runs off screen.
Image B: Galaxies IC 2163 and NGC 2207 (MIRI Image)
Both galaxies have high star formation rates, like innumerable individual hearts fluttering all across their arms. Each year, the galaxies produce the equivalent of two dozen new stars that are the size of the Sun. Our Milky Way galaxy only forms the equivalent of two or three new Sun-like stars per year. Both galaxies have also hosted seven known supernovae in recent decades, a high number compared to an average of one every 50 years in the Milky Way. Each supernova may have cleared space in their arms, rearranging gas and dust that later cooled, and allowed many new stars to form.
To spot the star-forming “action sequences,” look for the bright blue areas captured by Hubble in ultraviolet light, and pink and white regions detailed mainly by Webb’s mid-infrared data. Larger areas of stars are known as super star clusters. Look for examples of these in the top-most spiral arm that wraps above the larger galaxy and points left. Other bright regions in the galaxies are mini starbursts — locations where many stars form in quick succession. Additionally, the top and bottom “eyelid” of IC 2163, the smaller galaxy on the left, is filled with newer star formation and burns brightly.
Image C: Galaxies IC 2163 and NGC 2207 (Hubble and Webb Images Side by Side)
What’s next for these spirals? Over many millions of years, the galaxies may swing by one another repeatedly. It’s possible that their cores and arms will meld, leaving behind completely reshaped arms, and an even brighter, cyclops-like “eye” at the core. Star formation will also slow down once their stores of gas and dust deplete, and the scene will calm.
Video A: Tour of Galaxies IC 2163 and NGC 2207
The James Webb Space Telescope is the world’s premier space science observatory. Webb is solving mysteries in our solar system, looking beyond to distant worlds around other stars, and probing the mysterious structures and origins of our universe and our place in it. Webb is an international program led by NASA with its partners, ESA (European Space Agency) and CSA (Canadian Space Agency).
The Hubble Space Telescope has been operating for over three decades and continues to make ground-breaking discoveries that shape our fundamental understanding of the universe. Hubble is a project of international cooperation between NASA and ESA (European Space Agency). NASA’s Goddard Space Flight Center in Greenbelt, Maryland, manages the telescope and mission operations. Lockheed Martin Space, based in Denver, Colorado, also supports mission operations at Goddard. The Space Telescope Science Institute in Baltimore, Maryland, which is operated by the Association of Universities for Research in Astronomy, conducts Hubble science operations for NASA.
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Media Contacts
Laura Betz – laura.e.betz@nasa.gov, Claire Andreoli – claire.andreoli@nasa.gov
NASA’s Goddard Space Flight Center, Greenbelt, Md.
Claire Blome – cblome@stsci.edu, Christine Pulliam – cpulliam@stsci.edu
Space Telescope Science Institute, Baltimore, Md.
Related Information
Other images: View of NGC 2207 in optical, x-ray, and infrared light
Video: What happens when galaxies collide?
Video: Galaxy Collisions: Simulations vs. Observations
Article: More about Galaxy Evolution
Video: Learn more about galactic collisions
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Sols 4348-4349: Smoke on the Water
Earth planning date: Monday, Oct. 28, 2024
Before the science team starts planning, we first look at the latest Navcam image downlinked from Curiosity to see where the rover is located. It can be all too easy to get lost in the scenery of the Navcam and find new places in the distance we want to drive towards, but there’s so much beauty in the smaller things. Today I’ve chosen to show a photo from Curiosity’s hand lens camera, MAHLI, that takes photos so close that we can see the individual grains of the rock.
The planning day usually starts by thinking about these smaller features: What rocks are the closest to the rover? What can we shoot with our laser? What instruments can we use to document these features? Today we planned two sols, and the focus of the close-up contact science became a coating of material that in some image stretches looks like a deep-purple color.
We planned lots of activities to characterize this coating including use of the dust removal tool (DRT) and the APXS instrument on a target called “Reds Meadow.” This target will also be photographed by the MAHLI instrument. The team planned a ChemCam LIBS target on “Midge Lake” as well as a passive ChemCam target on “Primrose Lake” to document this coating with a full suite of instruments. Mastcam will then document the ChemCam LIBS target Midge Lake, and take a mosaic of the vertical faces of a few rocks near to the rover called “Peep Sight Peak” to observe the sedimentary structures here. Mastcam will also take a mosaic of “Pinnacle Ridge,” an area seen previously by the rover, from a different angle. ChemCam is rounding off the first sol with two long-distance RMI mosaics to document the stratigraphy of two structures we are currently driving between: Texoli butte and the Gediz Vallis channel.
In the second sol of the plan, after driving about 20 meters (about 66 feet), Curiosity will be undertaking some environmental monitoring activities before an AEGIS activity that automatically selects a LIBS target in our new workspace prior to our planning on Wednesday morning.
Written by Emma Harris, Graduate Student at Natural History Museum, London
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A Spooky Soliday: Haunting Whispers from the Martian Landscape
Sols 4345-4347: Contact Science is Back on the Table
Sols 4343-4344: Late Slide, Late Changes
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How it started versus how it’s going for astronaut Nick Hague with ISS Ham Radio on the space station.
Since November 2000, crew members like Hague have used ham radio to communicate with people on Earth through this educational program, also known as Amateur Radio on the International Space Station or ARISS. So far, there have been more than 1,700 events, directly engaging students and listeners from 49 U.S. states, 63 countries, and all seven continents. Students study the space station, radio waves, amateur radio technology, and related topics before their call from space, which encourages interest in STEM.
Now through Nov 17, 2024, ARISS is accepting applications from formal and informal educational institutions and organizations that want to host events in summer or fall of 2025. There is no charge for these calls from space, although host locations may incur some equipment-related costs. Local amateur radio clubs help hosts prepare for their contacts.
Read about how ISS Ham Radio and other station programs inspire students.
Melissa Gaskill
International Space Station Research Communications Team
Johnson Space Center
The Marshall Star for October 30, 2024
Editor’s Note: Starting Nov. 4, the Office of Communications at NASA’s Marshall Space Flight Center will no longer publish the Marshall Star on nasa.gov. The last public issue will be Oct. 30. To continue reading Marshall news, visit nasa.gov/marshall.
Marshall Team Members View Progress Toward Future Artemis Flights
Blake Stewart, lead of the Thrust Vector Control Test Laboratory inside Building 4205 at NASA’s Marshall Space Flight Center, explains how his team tests the mechanisms that steer engine and booster nozzles of NASA’s SLS (Space Launch System) rocket to a group of Marshall team members Oct. 24. The employees were some of the more than 500 team members who viewed progress toward future Artemis flights on bus tours offered by the SLS Program. Building 4205 is also home to the Propulsion Research and Development Laboratory that includes 26 world-class labs and support areas that help the agency’s ambitious goals for space exploration. The Software Integration Lab and the Software Integration Test Facility are among the labs inside supporting SLS that employees visited on the tour. (NASA/Sam Lott)
A group of Marshall team members gather below the development test article for the universal stage adapter that will be used on the second variant of SLS, called Block 1B. The universal stage adapter is located inside one of the high bays in building 4619. The universal stage adapter will connect the Orion spacecraft to the SLS exploration upper stage. With the exploration upper stage, which will be powered by four RL10-C3 engines, SLS will be capable of lifting more than 105 metric tons (231,000 pounds) from Earth’s surface. This extra mass capability enables SLS to send multiple large payloads to the Moon on the same launch. (NASA/Sam Lott)
Marshall team members view the Orion Stage Adapters for the Artemis II and Artemis III test flights inside Building 4708. The Orion Stage Adapter, built at Marshall, connects the rocket’s interim cryogenic propulsion stage to the Orion spacecraft. The Orion Stage Adapter for Artemis II is complete and ready to be shipped to Kennedy Space Center. The Oct. 24 tours featured four stops that also included opportunities to see the Artemis III launch vehicle stage adapter, and the development test article for the SLS Block 1B universal stage adapter that will begin flying on Artemis IV. Additionally, programs and offices such as the Human Landing Systems Development Office and the Science and Technology Office hosted exhibits in the lobby of Building 4220, where employees gathered for the tours. (NASA/Jonathan Deal)
Center Commemorates National Disability Employment Awareness Month
By Serena Whitfield
In conjunction with National Disability Employment Awareness Month, NASA’s Marshall Space Flight Center held anagencywide virtual event hosted by the Office of Diversity and Equal Opportunity on Oct. 24.
Marshall team members watched the Webex event in Building 4221.
In alignment with the month’s national theme, “Access to Good Jobs for All,” the program highlighted the perspectives of people with disabilities in the workplace as they navigate the work lifecycle – from applying, to onboarding, career growth and advancement, and day-to-day engagements.
The event began with Marshall Associate Director Roger Baird welcoming NASA team members.
“NASA is dedicated to inclusive hiring practices and providing pathways for good jobs and career success for all employees, including workers with disabilities,” Baird said. “Some ways we do this is through targeted recruitment of qualified individuals with disabilities through accessible vacancy announcements, outreach to students with disabilities, and community partnerships.”
NASA also utilizes Schedule A Authority, a non-competitive Direct Hiring Authority to hire people with disabilities without competition.
Baird introduced event moderator Joyce Meier, logistics manager at Marshall, who welcomed panelists Casey Denham, Kathy Clark, Paul Spann, and Paul Sullivan, all NASA team members. The panelists from the disability community discussed their work lifecycles, lessons learned in the workplace, and shared a demonstration on colorblindness and its impact.
Denham discussed some of the best practices for onboarding employees with neurodiversity, a term used to describe people whose brains develop or work differently than the typical brain.
Clark talked about what can be done to continue raising awareness and advocating for disability rights. She said NASA empowers its workforce with knowledge so they can be informed allies to team members with disabilities and foster a safe and inclusive working environment.
Spann gave insight into practical steps employers can take to accommodate candidates with deafness, and Sullivan spoke about some key considerations NASA managers should keep in mind to make the job application process more accessible to candidates with low vision.
Guest speaker Chip Dobbs, supply management specialist at Marshall, talked about his personal experiences with being deaf. Dobbs has worked at NASA for 29 years and said he has never let his disability hold him back, but instead uses it as a gateway to inspire and connect with others.
The event ended with closing remarks from Tora Henry, director of the Office of Diversity and Equal Opportunity at Marshall. The virtual event placed importance on planning for NASA’s future by promoting equality and addressing the barriers people with disabilities face in the workplace.
“As we celebrate National Disability Employment Awareness Month, keep in mind that NASA’s mission of exploring the unknown and pushing the boundaries of human potential requires the contributions of every mind, skill set, and perspective,” Baird said. “Our commitment to inclusivity ensures that no talent goes untapped, and no idea goes unheard because together, we’re not just reaching for the stars, we’re showing the world what’s possible when everyone has a seat at the table.”
A recording of the event is available here. Learn more about NASA’s agencywide resources for individuals with disabilities as well as the agency’s Disability Employment Program.
Whitfield is an intern supporting the Marshall Office of Communications.
Farley Davis Receives NASA’s Blue Marble Award
By Wayne Smith
Farley Davis, manager of the Environmental Engineering and Occupational Health Office at NASA’s Marshall Space Flight Center, has received a 2024 Blue Marble Award from the agency.
NASA’s Office of Strategic Infrastructure, Environmental Management Division presented the 2024 Blue Marble Awards on Oct. 8 at the agency’s Johnson Space Center. The Blue Marble Awards Program recognizes teams and individuals demonstrating exceptional environmental leadership in support of NASA’s missions and goals. In 2024, the awards included five categories: the Director’s Award, Environmental Quality, Excellence in Energy and Water Management, Excellence in Resilience or Climate Change Adaptation, and new this year: Excellence in Site Remediation.
Davis was recognized for “exceptional leadership and outstanding commitment above and beyond individual job responsibilities, to assist Marshall and the agency in enabling environmentally sound mission success.”
“The award was unexpected, and I am very thankful to receive the Environmental Management Director’s Blue Marble Award,” said Davis, who has been at Marshall for 33 years. “Collectively, Marshall’s environmental engineering team has made this award possible with their diligent support for many years keeping the center’s environmental compliance at the forefront. I will cherish the award for the rest of my life.”
June Malone, director of the Office of Center Operations at Marshall, credited Davis for his environmental leadership and mentoring team members.
“Farley’s attitude of professionalism and personal responsibility for the development and implementation of well-grounded environmental programs has increased Marshall’s sustainability and prevented pollution,” Malone said. “His tireless leadership has resulted in compliance with federal, state, and local environmental laws and regulations, and his creative solution-oriented approaches to environmental stewardship have restored contaminated areas.”
Charlotte Bertrand, director of the Environmental Management Division at NASA Headquarters, said it was an honor to select Davis for the 2024 Blue Marble Director’s Award.
“Farley’s incredibly distinguished career with NASA reflects the award’s intention to recognize exceptional leadership by an individual in assisting the agency in enabling environmentally sound mission success,” Bertrand said.
Please see the awards program for additional information.
Smith, a Media Fusion employee and the Marshall Star editor, supports the Marshall Office of Communications.
Take 5 with Brooke Rhodes
By Wayne Smith
When human exploration of Mars becomes a reality and more than just the stuff of science fiction, Brooke Rhodes will be eager to investigate what astronauts discover on the Red Planet.
From listening to her talk about her work as an engineer at NASA’s Marshall Space Flight Center, it’s easy to grasp her excitement about the future of human space exploration and NASA’s Moon to Mars architecture.
“I can’t wait for the Mars rovers to have some human company,” said Rhodes, who recently began a detail as the chief of Marshall’s Avionics and Software Ground Systems Test Branch. “I need to know if we can grow Mark Watney (of The Martian movie fame) quantities of potatoes up there. Everything we do to prepare to return humans to the Moon and establish a presence in deep space is building toward putting boots on Mars. It’s an honor and a privilege to be even a small part of it.”
Rhodes also appreciates the responsibility she takes on in any form in NASA’s exploration missions to benefit humanity. After all, she has worked on hardware for the International Space Station and has had supporting roles for the Mars Ascent Vehicle and Artemis missions.
“We at Marshall hold an incredible amount of responsibility: responsibility for the welfare of the crew on the space station, responsibility for the welfare of the crew on the Artemis missions, and even the welfare of humanity through the responsibility we have for science on the station and elsewhere,” said Rhodes, who is from Petal, Mississippi, and has worked at Marshall for seven years. “When your missions are as critical as ours, it’s nearly impossible to not be motivated.”
Now, on to Mars.
Question: What is your position and what are your primary responsibilities?
Rhodes: I recently began the detail as the branch chief of the Avionics and Software Ground Systems Test Branch, ES53. Our branch is primarily responsible for the development of hardware-in-the-loop and software development facilities for the Artemis and MAV (Mars Ascent Vehicle) missions. My home organization is ES61, the Instrument Development, Integration and Test Branch, where I’ve been responsible for the integration and testing of International Space Station payloads for the past several years.
Question: What has been the proudest moment of your career and why?
Rhodes: One really cool moment that sticks out was the first time I saw hardware I had been responsible for being used in space. I spent several years as the integration and test lead of the Materials Science Research Rack (MSRR) Sample Cartridge Assemblies (SCAs) and we shipped our first batch of SCAs to the space station in 2018. That shipment was the culmination of years of intense effort and teamwork, so to see them onboard and about to enable materials science was an incredible feeling. There was a moment in particular that felt a bit surreal: prior to our SCA shipment the crew discovered they were missing a couple of fasteners from the onboard furnace, so we had those shipped to us from Europe and I packed them into the SCA flight foam before they shipped to the launch site. The next time I saw those fasteners they were being held up to a camera by one of the crew members, asking if those were the ones they needed for the furnace. Putting fasteners into foam didn’t take much effort, but what it represented was much bigger: being a small part of an international effort to enable science off the Earth, for the Earth, was an incredible moment I’ll carry with me for the rest of my career.
Question: Who or what inspired you to pursue an education/career that led you to NASA and Marshall?
Rhodes: I had a couple of lightbulb moments my junior year of high school that eventually set me on my current career path. I very specifically recall sitting in my physics I class and learning how to calculate the planetary motion of Jupiter and thinking I had never learned about anything cooler. Even then, though, NASA didn’t really enter my thoughts. Growing up, working for NASA didn’t even occur to me as something people could actually do – being a “rocket scientist” was just an abstract concept people threw around to indicate something was difficult.
That changed later when the same teacher who had been teaching us planetary motion took us on a field trip to Kennedy Space Center. The tour guide showing us around the Vehicle Assembly Building was a young employee who said he had majored in aerospace engineering at the University of Tennessee. That was the second lightbulb moment: here was a young person from the Southeast, just like me, who had done something tangible in order to work for NASA. That seemed easy enough, so I decided to major in aerospace engineering at Mississippi State and one day work for NASA. That turned out to not be easy, but definitely doable.
While at Mississippi State, I was able to complete three NASA internships, one at the Jet Propulsion Laboratory and two at Marshall. Eventually, I was hired on full-time at NASA’s Johnson Space Center, but wound up making my way back to Marshall, where I’ve been ever since. There’s no place on the planet better for enthusiasts of both aerospace engineering and football.
Interestingly, my physics I teacher’s name was Mrs. Rhodes, and I used to joke with my classmates that I wanted to be Mrs. Rhodes when I grew up. I didn’t actually mean that literally, but then I married Matthew Rhodes and did, indeed, become Mrs. Rhodes.
Question: What advice do you have for employees early in their NASA career or those in new leadership roles?
Rhodes: Scary is good. If you aren’t stepping out of your comfort zone you probably aren’t growing, and if you’re experiencing imposter syndrome, you’re probably the right person for the job.
Question: What do you enjoy doing with your time while away from work?
Rhodes: While away from work I tend to invest too much of my mental wellbeing into football. To recover from the stresses of work and my football teams being terrible, I like to explore National Parks. The U.S. has some of the most diverse scenery anywhere in the world, and I love getting outside and exploring it.
Smith, a Media Fusion employee and the Marshall Star editor, supports the Marshall Office of Communications.
Planets Beware: NASA Unburies Danger Zones of Star Cluster
Most stars form in collections, called clusters or associations, that include very massive stars. These giant stars send out large amounts of high-energy radiation, which can disrupt relatively fragile disks of dust and gas that are in the process of coalescing to form new planets.
A team of astronomers used NASA’s Chandra X-ray Observatory, in combination with ultraviolet, optical, and infrared data, to show where some of the most treacherous places in a star cluster may be, where planets’ chances to form are diminished.
The target of the observations was Cygnus OB2, which is the nearest large cluster of stars to our Sun – at a distance of about 4,600 light-years. The cluster contains hundreds of massive stars as well as thousands of lower-mass stars. The team used long Chandra observations pointing at different regions of Cygnus OB2, and the resulting set of images were then stitched together into one large image.
The deep Chandra observations mapped out the diffuse X-ray glow in between the stars, and they also provided an inventory of the young stars in the cluster. This inventory was combined with others using optical and infrared data to create the best census of young stars in the cluster.
In a new composite image, the Chandra data (purple) shows the diffuse X-ray emission and young stars in Cygnus OB2, and infrared data from NASA’s now-retired Spitzer Space Telescope (red, green, blue, and cyan) reveals young stars and the cooler dust and gas throughout the region.
In these crowded stellar environments, copious amounts of high-energy radiation produced by stars and planets are present. Together, X-rays and intense ultraviolet light can have a devastating impact on planetary disks and systems in the process of forming.
Planet-forming disks around stars naturally fade away over time. Some of the disk falls onto the star and some is heated up by X-ray and ultraviolet radiation from the star and evaporates in a wind. The latter process, known as “photoevaporation,” usually takes between five and 10 million years with average-sized stars before the disk disappears. If massive stars, which produce the most X-ray and ultraviolet radiation, are nearby, this process can be accelerated.
The researchers using this data found clear evidence that planet-forming disks around stars indeed disappear much faster when they are close to massive stars producing a lot of high-energy radiation. The disks also disappear more quickly in regions where the stars are more closely packed together.
For regions of Cygnus OB2 with less high-energy radiation and lower numbers of stars, the fraction of young stars with disks is about 40%. For regions with more high-energy radiation and higher numbers of stars, the fraction is about 18%. The strongest effect – meaning the worst place to be for a would-be planetary system – is within about 1.6 light-years of the most massive stars in the cluster.
A separate study by the same team examined the properties of the diffuse X-ray emission in the cluster. They found that the higher-energy diffuse emission comes from areas where winds of gas blowing away from massive stars have collided with each other. This causes the gas to become hotter and produce X-rays. The less energetic emission probably comes from gas in the cluster colliding with gas surrounding the cluster.
Two separate papers describing the Chandra data of Cygnus OB2 are available. The paper about the planetary danger zones, led by Mario Giuseppe Guarcello (National Institute for Astrophysics in Palermo, Italy), appeared in the November 2023 issue of the Astrophysical Journal Supplement Series, and is available here. The paper about the diffuse emission, led by Juan Facundo Albacete-Colombo (University of Rio Negro in Argentina) was published in the same issue of Astrophysical Journal Supplement, and is available here.
NASA’s Marshall Space Flight Center manages the Chandra program. The Smithsonian Astrophysical Observatory’s Chandra X-ray Center controls science operations from Cambridge, Massachusetts, and flight operations from Burlington, Massachusetts.
NASA’s Jet Propulsion Laboratory (JPL) managed the Spitzer Space Telescope mission for the agency’s Science Mission Directorate until the mission was retired in January 2020. Science operations were conducted at the Spitzer Science Center at Caltech. Spacecraft operations were based at Lockheed Martin Space in Littleton, Colorado. Data are archived at the Infrared Science Archive operated by IPAC at Caltech. Caltech manages JPL for NASA.
NASA Begins New Deployable Solar Array Tech Demo on Pathfinder Spacecraft
NASA recently evaluated initial flight data and imagery from Pathfinder Technology Demonstrator-4 (PTD-4), confirming proper checkout of the spacecraft’s systems including its on-board electronics as well as the payload’s support systems such as the small onboard camera. Shown is a test image of Earth taken by the payload camera, shortly after PTD-4 reached orbit. This camera will continue photographing the technology demonstration during the mission.
Payload operations are now underway for the primary objective of the PTD-4 mission – the demonstration of a new power and communications technology for future spacecraft. The payload, a deployable solar array with an integrated antenna called the Lightweight Integrated Solar Array and anTenna, or LISA-T, has initiated deployment of its central boom structure. The boom supports four solar power and communication arrays, also called petals. Releasing the central boom pushes the still-stowed petals nearly three feet away from the spacecraft bus. The mission team currently is working through an initial challenge to get LISA-T’s central boom to fully extend before unfolding the petals and beginning its power generation and communication operations.
Small spacecraft on deep space missions require more electrical power than what is currently offered by existing technology. The four-petal solar array of LISA-T is a thin-film solar array that offers lower mass, lower stowed volume, and three times more power per mass and volume allocation than current solar arrays. The in-orbit technology demonstration includes deployment, operation, and environmental survivability of the thin-film solar array.
“The LISA-T experiment is an opportunity for NASA and the small spacecraft community to advance the packaging, deployment, and operation of thin-film, fully flexible solar and antenna arrays in space. The thin-film arrays will vastly improve power generation and communication capabilities throughout many different mission applications,” said John Carr, deputy center chief technologist at NASA’s Marshall Space Flight Center. “These capabilities are critical for achieving higher value science alongside the exploration of deep space with small spacecraft.”
The Pathfinder Technology Demonstration series of missions leverages a commercial platform which serves to test innovative technologies to increase the capability of small spacecraft. Deploying LISA-T’s thin solar array in the harsh environment of space presents inherent challenges such as deploying large highly flexible non-metallic structures with high area to mass ratios. Performing experiments such as LISA-T on a smaller, lower-cost spacecraft allows NASA the opportunity to take manageable risk with high probability of great return. The LISA-T experiment aims to enable future deep space missions with the ability to acquire and communicate data through improved power generation and communication capabilities on the same integrated array.
The PTD-4 small spacecraft is hosting the in-orbit technology demonstration called LISA-T. The PTD-4 spacecraft deployed into low Earth orbit from SpaceX’s Transporter-11 rocket, which launched from Space Launch Complex 4E at Vandenberg Space Force Base in California on Aug. 16. Marshall designed and built the LISA-T technology as well as LISA-T’s supporting avionics system. NASA’s Small Spacecraft Technology program, based at NASA’s Ames Research Center and led by the agency’s Space Technology Mission Directorate, funds and manages the PTD-4 mission as well as the overall Pathfinder Technology Demonstration mission series. Terran Orbital Corporation of Irvine, California, developed and built the PTD-4 spacecraft bus, named Triumph.
NASA SPoRT’s Streamflow-AI Helps with Flood Preparedness in Texas
By Paola Pinto
For more than two decades, the NASA Short-term Prediction Research and Transition Center (SPoRT) within the NASA Earth Science Office at Marshall Space Flight Center has been at the forefront of developing and maintaining decision-making tools for meteorological predictions.
Jonathan Brazzell, a service hydrologist at the National Weather Service (NWS) office in Lake Charles, Louisiana, highlighted a recent example of SPoRT’s impact while he was doing forecasting for Texas streams.
Brazzell, who manages the South Texas and South Louisiana regions, emphasized the practical applications and significant impacts of the Machine Learning model developed by NASA SPoRT to predict future stream heights, known as the SPoRT Streamflow A.I. During a heavy rainfall event this past spring, he noted the challenge of forecasting flooding beyond 48 hours. SPoRT has worked closely with the NWS offices to develop a machine learning tool capable of predicting river flooding beyond two days and powered by the SPoRT Land Information System.
“Previously, we relied on actual gauge information and risk assessments based on predicted precipitation,” Brazzell said. “Now, with this machine learning, we have a modeling tool that provides a much-needed predictive capability.”
During forecasted periods of heavy precipitation from early to mid-May, Brazzell monitored potential flooding events and their magnitude using NASA SPoRT’s Streamflow-AI, which provided essential support to the Pine Island Bayou and Big Cow Creek communities in south Texas.
Streamflow A.I. enabled local authorities to provide advance notice, allowing residents to prepare adequately for the event. Due to the benefit of three to seven-day flood stage predictions, the accurate forecasts helped county officials decide on road closures and evacuation advisories; community officials advised residents to gather a seven-day supply of necessities and relocate their vehicles, minimizing disruption and potential damage.
Brazzell highlighted specific instances where the machine learning outputs were critical. For example, during the event that peaked around May 6, Streamflow A.I. accurately predicted the rise in stream height, allowing for timely road closures and advisories. These predictions were shared with county officials and were pivotal in their decision-making process.
Brazzell shared that integrating SPoRT’s machine learning capabilities with their existing tools, such as flood risk mapping, proved invaluable. Although the machine learning outputs had been operational for almost two years after Hurricane Harvey, this season has provided their first significant applications in real-time scenarios due to persistent conditions of below-normal precipitation and ongoing drought.
He also mentioned the broader applications of Streamflow A.I., including its potential use in other sites beyond those currently being monitored. He expressed interest in expanding the use of machine learning stream height outputs to additional locations, citing the successful application in current sites as a compelling reason for broader implementation.
NASA SPoRT users’ experiences emphasize how crucial advanced prediction technologies are in hydrometeorology and emergency management operations. Based on Brazzell’s example, it is reasonable to say that the product’s ability to provide accurate, timely data greatly improves decision-making processes and ensures public safety. The partnership between NASA SPoRT and operational agencies like NOAA/NWS and county response teams demonstrates how research and operations can be seamlessly integrated into everyday practices, making a tangible difference in communities vulnerable to high-impact events.
As the Streamflow A.I. product continues to evolve and expand its applications, it holds significant promise for improving disaster preparedness and response efforts across various regions that experience different types of flooding events.
The Streamflow-AI product provides a 7-day river height or stage forecasts at select gauges across the south/eastern U.S. You can find the SPoRT training item on Streamflow-AI here.
Pinto is a research associate at the University of Alabama in Huntsville, specializing in communications and user engagement for NASA SPoRT.
Agency Awards Custodial, Refuse Collection Contract
NASA has selected All Native Synergies Company of Winnebego, Nebraska, to provide custodial and refuse collection services at the agency’s Marshall Space Flight Center.
The Custodial and Refuse Collection Services III contract is a firm-fixed-price contract with an indefinite-delivery/indefinite-quantity provision. Its maximum potential value is approximately $33.5 million. The performance period began Oct. 23 and will extend four and a half years, with a one-year base period, four one-year options, and a six-month extension.
This critical service contract provides custodial and refuse collection services for all Marshall facilities. Work under the contract includes floor maintenance, including elevators; trash removal; cleaning drinking fountains and restrooms; sweeping, mopping, and cleaning building entrances and stairways.
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Buckle Up: NASA-Funded Study Explores Turbulence in Molecular Clouds
On an airplane, motions of the air on both small and large scales contribute to turbulence, which may result in a bumpy flight. Turbulence on a much larger scale is important to how stars form in giant molecular clouds that permeate the Milky Way.
In a new NASA-funded study in the journal Science Advances, scientists created simulations to explore how turbulence interacts with the density of the cloud. Lumps, or pockets of density, are the places where new stars will be born. Our Sun, for example, formed 4.6 billion years ago in a lumpy portion of a cloud that collapsed.
“We know that the main process that determines when and how quickly stars are made is turbulence, because it gives rise to the structures that create stars,” said Evan Scannapieco, professor of astrophysics at Arizona State University and lead author of the study. “Our study uncovers how those structures are formed.”
Giant molecular clouds are full of random, turbulent motions, which are caused by gravity, stirring by the galactic arms and winds, jets, and explosions from young stars. This turbulence is so strong that it creates shocks that drive the density changes in the cloud.
The simulations used dots called tracer particles to traverse a molecular cloud and travel along with the material. As the particles travel, they record the density of the part of the cloud they encounter, building up a history of how pockets of density change over time. The researchers, who also included Liubin Pan from Sun Yat Sen University in China, Marcus Brüggen from the University of Hamburg in Germany, and Ed Buie II from Vassar College in Poughkeepsie, New York, simulated eight scenarios, each with a different set of realistic cloud properties.
The team found that the speeding up and slowing down of shocks plays an essential role in the path of the particles. Shocks slow down as they go into high-density gas and speed up as they go into low-density gas. This is akin to how an ocean wave strengthens when it hits shallow water by the shore.
When a particle hits a shock, the area around it becomes more dense. But because shocks slow down in dense regions, once lumps become dense enough, the turbulent motions can’t make them any denser. These lumpiest high-density regions are where stars are most likely to form.
While other studies have explored molecular cloud density structures, this simulation allows scientists to see how those structures form over time. This informs scientists’ understanding of how and where stars are likely to be born.
“Now we can understand better why those structures look the way they do because we’re able to track their histories,” said Scannapieco.
NASA’s James Webb Space Telescope is exploring the structure of molecular clouds. It is also exploring the chemistry of molecular clouds, which depends on the history of the gas modeled in the simulations. New measurements like these will inform our understanding of star formation.
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In the ever-evolving aerospace industry, collaboration and mentorship are vital for fostering innovation and growth. Recent achievements highlight the positive impact of Mentor-Protégé Agreements (MPA) facilitated by Jacobs Engineering Group, now known as Amentum Space Exploration Group. Two standout partnerships have demonstrated remarkable success and expansion, underscoring the value of such initiatives.
CODEplus and Amentum Space Exploration Group
The 24-Month MPA between CODEplus and Amentum Space Exploration Group has proven to be a game-changer. Recognized as the FY24 Marshall Space Flight Center (MSFC) Mentor-Protégé Agreement of the Year, this collaboration has significantly boosted CODEplus’s operations. Since the agreement’s inception on March 1, 2023, CODEplus has expanded its workforce to ten full-time employees and currently has two active job requisitions. This growth exemplifies the transformative potential of mentorship in nurturing small businesses within the aerospace sector.
KS Ware and Amentum Space Exploration Group / CH2M Hill
Another exemplary partnership involves KS Ware, which has benefitted from a 36-Month MPA with Amentum Space Exploration Group and CH2M Hill. This agreement has garnered accolades as both the FY23 NASA Agency Mentor-Protégé Agreement of the Year and the FY23 MSFC Mentor-Protégé Agreement of the Year. Through targeted business and technical counseling, KS Ware successfully launched a new drilling division in 2022 and expanded its offerings to include surveying services in 2023. The impact of this mentorship is evident, with a remarkable 30% growth rate reported for KS Ware.
These success stories highlight the critical role of Mentor-Protégé Agreements in empowering small businesses in the aerospace industry. By fostering collaboration and providing essential support, Amentum Space Exploration Group has not only strengthened its partnerships but also contributed to the broader growth and innovation landscape. As the aerospace sector continues to evolve, such initiatives will be essential in driving future success.
Published by: Tracy L. Hudspeth
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NASA pilot Joe Walker sits in the pilot’s platform of the Lunar Landing Research Vehicle (LLRV) number 1 on Oct. 30, 1964. The LLRV and its successor the Lunar Landing Training Vehicle (LLTV) provided the training tool to simulate the final 200 feet of the descent to the Moon’s surface.
The LLRVs, humorously referred to as flying bedsteads, were used by NASA’s Flight Research Center, now NASA’s Armstrong Flight Research Center in California, to study and analyze piloting techniques needed to fly and land the Apollo lunar module in the moon’s airless environment.
Learn more about the LLRV’s first flight.
Image credit: NASA
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