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By NASA
1 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
Christopher PestakCredit: NASA Christopher Pestak, program manager of the Glenn Engineering and Research Support (GEARS) contract at NASA’s Glenn Research Center in Cleveland, has received the 2025 Sustained Service Award from the American Institute of Aeronautics and Astronautics (AIAA). This award recognizes AIAA members who have given their time, dedication, and efforts in service to AIAA, the aerospace community, and the engineering profession.
Pestak oversees and coordinates the efforts of 350 contractor employees performing a wide range of scientific, engineering, and technical support work for NASA Glenn on the GEARS contract. He joined NASA in 1983 as an engineering contractor supporting the Atlas/Centaur and Shuttle/Centaur projects.
A Fellow of AIAA, Pestak serves as the deputy director for Educational Programs in AIAA Region III, which encompasses Ohio, Indiana, Michigan, Wisconsin, Kentucky, and Illinois. He will be recognized for his service during an AIAA awards ceremony in January.
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1 min read NASA Glenn’s Office of Communications Earns Top Honors
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By Space Force
The mission successfully achieved a complex effort across multiple Space Force organizations to pull an existing GPS III satellite from storage, accelerate integration and launch vehicle readiness, and rapidly process for launch.
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By NASA
At Goddard Space Flight Center, the GSFC Data Science Group has completed the testing for their SatVision Top-of-Atmosphere (TOA) Foundation Model, a geospatial foundation model for coarse-resolution all-sky remote sensing imagery. The team, comprised of Mark Carroll, Caleb Spradlin, Jordan Caraballo-Vega, Jian Li, Jie Gong, and Paul Montesano, has now released their model for wide application in science investigations.
Foundation models can transform the landscape of remote sensing (RS) data analysis by enabling the pre-training of large computer-vision models on vast amounts of remote sensing data. These models can be fine-tuned with small amounts of labeled training and applied to various mapping and monitoring applications. Because most existing foundation models are trained solely on cloud-free satellite imagery, they are limited to applications of land surface or require atmospheric corrections. SatVision-TOA is trained on all-sky conditions which enables applications involving atmospheric variables (e.g., cloud or aerosol).
SatVision TOA is a 3 billion parameter model trained on 100 million images from Moderate Resolution Imaging Spectroradiometer (MODIS). This is, to our knowledge, the largest foundation model trained solely on satellite remote sensing imagery. By including “all-sky” conditions during pre-training, the team incorporated a range of cloud conditions often excluded in traditional modeling. This enables 3D cloud reconstruction and cloud modeling in support of Earth and climate science, offering significant enhancement for large-scale earth observation workflows.
With an adaptable and scalable model design, SatVision-TOA can unify diverse Earth observation datasets and reduce dependency on task-specific models. SatVision-TOA leverages one of the largest public datasets to capture global contexts and robust features. The model could have broad applications for investigating spectrometer data, including MODIS, VIIRS, and GOES-ABI. The team believes this will enable transformative advancements in atmospheric science, cloud structure analysis, and Earth system modeling.
The model architecture and model weights are available on GitHub and Hugging Face, respectively. For more information, including a detailed user guide, see the associated white paper: SatVision-TOA: A Geospatial Foundation Model for Coarse-Resolution All-Sky Remote Sensing Imagery.
Examples of image reconstruction by SatVision-TOA. Left: MOD021KM v6.1 cropped image chip using MODIS bands [1, 3, 2]. Middle: The same images with randomly applied 8×8 mask patches, masking 60% of the original image. Right: The reconstructed images produced by the model, along with their respective Structural Similarity Index Measure (SSIM) scores. These examples illustrate the model’s ability to preserve structural detail and reconstruct heterogeneous features, such as cloud textures and land-cover transitions, with high fidelity.NASAView the full article
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By NASA
17 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
On Dec. 8, 1994, NASA announced the selection of its 15th group of astronauts. The diverse group comprised 19 candidates – 10 pilots and nine mission specialists, and included five women, two African Americans, one Asian American, and the first Peruvian-born and Indian-born astronauts. Four international astronauts, one each from Canada and Japan and two from France, joined the group later for astronaut candidate training, following which all 23 became eligible for spaceflight assignment. The two French candidates had previous spaceflight experience in cooperative missions with Russia. All members of the group completed at least one spaceflight, making significant contributions to assembly and maintenance of the space station and carrying out important science missions. Three perished in the Columbia accident.
The Group 15 NASA and international astronaut candidates pose for a group photo – front row, Jeffrey S. Ashby, left, Dafydd “Dave” R. Williams, James F. Reilly, Scott D. Altman, Rick D. Husband, and Michael J. Bloomfield; middle row, Pamela A. Melroy, left, Michael P. Anderson, Michel Tognini, Kathryn “Kay” P. Hire, Kalpana Chawla, Carlos I. Noriega, Susan L. Still, Takao Doi, and Frederick “Rick” W. Sturckow; back row, Janet L. Kavandi, left, Edward T. Lu, Steven K. Robinson, Robert L. Curbeam, Dominic L.P. Gorie, Joe F. Edwards, Steven W. Lindsey, and Jean-Loup Chrétien. Credit: NASA The newest class of NASA astronaut candidates included pilot candidates Scott D. Altman, Jeffrey S. Ashby, Michael J. Bloomfield, Joe F. Edwards, Dominic L.P. Gorie, Rick D. Husband, Steven W. Lindsey, Pamela A. Melroy, Susan L. Still, and Frederick “Rick” W. Sturckow, and mission specialist candidates Michael P. Anderson, Kalpana Chawla, Robert L. Curbeam, Kathryn “Kay” P. Hire, Janet L. Kavandi, Edward T. Lu, Carlos I. Noriega, James F. Reilly, and Steven K. Robinson. A January 1995 agreement among the agencies enabled Canadian Space Agency (CSA) astronaut Dafydd “Dave” R. Williams and Takao Doi of the National Space Development Agency (NASDA), now the Japan Aerospace Exploration Agency, to join the 19 NASA astronauts for training. Another agreement between NASA and the French space agency CNES enabled astronauts Jean-Loup Chrétien and Michel Tognini to also join the group. Both Chrétien and Tognini had previous spaceflight experience through joint agreements with Russia, and their experience proved helpful to NASA in the fledgling Shuttle-Mir Program.
Group 15 astronaut candidates experience short-duration weightlessness aboard NASA’s KC-135 aircraft.Credit: NASA The 19 NASA candidates along with Williams and Doi reported to work at NASA’s Johnson Space Center in Houston on March 6, 1995, to begin their one-year training period. The two French astronauts joined them later. During the yearlong training, the candidates attended classes in applied sciences, space shuttle and space station systems, space medicine, Earth and planetary sciences, and materials sciences. They visited each of the NASA centers to learn about their functions and received instruction in flying the T-38 Talon training aircraft, high-altitude and ground egress systems, survival skills, parasail flight, and scuba. They experienced short-duration weightlessness aboard NASA’s KC-135 aircraft dubbed the Vomit Comet. After completing the astronaut candidate training, they qualified for various technical assignments within the astronaut office leading to assignments to space shuttle crews.
Group 15 astronaut candidates during survival training in Pensacola, Florida.Credit: NASA Group 15 astronaut candidates during survival training in Pensacola, Florida.Credit: NASA The 19 NASA candidates along with Williams and Doi reported to work at NASA’s Johnson Space Center in Houston on March 6, 1995, to begin their one-year training period. The two French astronauts joined them later. During the yearlong training, the candidates attended classes in applied sciences, space shuttle and space station systems, space medicine, Earth and planetary sciences, and materials sciences. They visited each of the NASA centers to learn about their functions and received instruction in flying the T-38 Talon training aircraft, high-altitude and ground egress systems, survival skills, parasail flight, and scuba. They experienced short-duration weightlessness aboard NASA’s KC-135 aircraft dubbed the Vomit Comet. After completing the astronaut candidate training, they qualified for various technical assignments within the astronaut office leading to assignments to space shuttle crews.
Per tradition, the previous astronaut class provided the nickname for Group 15. Originally, The Class of 1992, The Hogs, dubbed them The Snails because NASA had delayed their announcement. Then after the addition of the two French astronauts, they felt that The Flying Escargots seemed more appropriate. The Group 15 patch included an astronaut pin rising from the Earth, an orbiting space shuttle and space station, and flags of the United States, Canada, France, and Japan.
Group 15 patch.Credit: NASA
Altman, a U.S. Navy pilot, hails from Illinois. He received his first spaceflight assignment as pilot of STS-90, the 16-day Neurolab mission in 1998, along with fellow Escargots Hire and Williams. He again served as pilot on STS-106, a 12-day space station resupply mission in 2000, accompanied by fellow Escargot Lu. He served as commander on his third mission, STS-109, the 11-day fourth Hubble Space Telescope (HST) servicing mission in 2002. He commanded his fourth and final mission, the 13-day final HST servicing mission, STS-125, in 2009. Altman logged a total of 51 days in space.
Anderson, a native of upstate New York and a lieutenant colonel in the U.S. Air Force, received his first assignment as a mission specialist on STS-89, the nine-day eighth docking with Mir. Fellow Escargots Edwards and Reilly flew with Anderson, who has the distinction as the only African American astronaut to visit that space station during the mission in 1998. He next served as payload commander on the 16-day STS-107 Spacehab research mission in 2003, flying with fellow Escargots Chawla and Husband. Anderson perished in the Columbia accident. He logged nearly 25 days in space.
Texas native and U.S. Navy captain Ashby received his first spaceflight assignment as pilot of STS-93, the five-day mission in 1999 to deploy the Chandra X-ray Observatory. Fellow Escargot Tognini served as a mission specialist on this flight. On his second mission, Ashby served as pilot of STS-100, the 12-day flight in 2001 that delivered the Canadarm2 robotic arm to the space station. Ashby commanded his third and final mission in 2002, STS-112, the 11-day space station assembly flight that delivered the S1 truss. Fellow Escargot Melroy served as pilot on this flight. During his three missions, Ashby spent nearly 28 days in space.
Hailing from Michigan, U.S. Air Force Colonel Bloomfield received his first flight assignment as pilot of STS-86, the seventh Mir docking mission. The 11-day flight took place in 1997, with fellow Escargot Chrétien serving as a mission specialist. Bloomfield served as pilot on his second flight, STS-97, the 11-day station assembly mission in 2000 that delivered the P6 truss and the first set of U.S. solar arrays. Fellow Escargot Noriega flew as a mission specialist on this flight. Bloomfield served as commander on his third and final mission, the 11-day STS-110 assembly flight that delivered the S0 truss segment in 2002. Bloomfield logged a total of 32 days in space across his three missions.
Chawla, the first Indian-born NASA astronaut, earned a doctorate in aerospace engineering. She received her first spaceflight assignment as a mission specialist on STS-87, the 16-day flight in 1997 that carried the fourth U.S. Microgravity Payload (USMP-4). Fellow Escargot Lindsey served as pilot on this mission, during which Chawla used the shuttle’s robotic arm to release and capture the SPARTAN-201-4 free flyer. She next served as a mission specialist on the STS-107 Spacehab research mission in 2003, along with fellow Escargots Anderson and Husband. Chawla perished in the Columbia accident. She logged nearly 32 days in space.
On his first spaceflight, Curbeam, a native of Baltimore and commander in the U.S. Navy, flew as a mission specialist on STS-85, a 12-day mission in 1997 that carried the CRISTA-SPAS-2 free flyer. Fellow Escargot Robinson accompanied Curbeam on this mission. On his next flight, he served as a mission specialist on STS-98, the 2001 station assembly flight that delivered the Destiny U.S. Lab. During that 13-day flight, Curbeam participated in three spacewalks, spending nearly 20 hours outside. On his third and final spaceflight, he served as a mission specialist on STS-116, the 13-day assembly flight in 2006 that delivered the P5 truss segment. Curbeam participated in four spacewalks to reconfigure the station’s power system, spending nearly 26 hours outside. Across his four flights, Curbeam spent more than 37 days in space, and across his seven spacewalks more than 45 hours outside.
Edwards, a native of Virginia and U.S. Navy commander, flew his single spaceflight as pilot of STS-89, the eighth Mir docking mission in 1998. Fellow Escargots Anderson and Reilly flew with him as mission specialists on this flight. Edwards spent nine days in space.
A native of Louisiana and U.S. Navy captain, Gorie received his first spaceflight assignment as pilot of STS-91, the 10-day ninth and final Mir docking mission in 1998, along with fellow Escargot Kavandi. In 2000, he served as pilot of STS-99, the 11-day Shuttle Radar Topography Mission (SRTM), once again with fellow Escargot Kavandi. Gorie commanded his third mission, STS-108 in 2001, the first station Utilization Flight that lasted 12 days. He also commanded his fourth and final flight, accompanied by fellow Escargot Doi, the 16-day STS-123 mission in 2008 that delivered the Japanese pressurized logistics module and the Canadian Special Purpose Dexterous Manipulator (SPDM) to the station. Over his four missions, Gorie spent more than 48 days in space.
A native of Alabama and a captain in the U.S. Navy Reserve, Hire completed her first space mission in 1998 as a mission specialist on the 16-day STS-90 Neurolab mission, along with fellow Escargots Altman and Williams. Twelve years later, Hire flew her second and last mission, STS-130, a 14-day space station assembly mission that installed the Node 3 Tranquility module and the Cupola. During her two flights, Hire spent nearly 30 days in space.
Hailing from Amarillo, Texas, and a colonel in the U.S. Air Force, Husband flew as the pilot of STS-96 on his first flight. The 10-day space station resupply mission took place in 1999. He served as commander on his second flight, the 16-day STS-107 Spacehab research mission in 2003, along with fellow Escargots Anderson and Chawla. Husband perished in the Columbia accident. He logged nearly 26 days in space.
Missouri native Kavandi completed her first spaceflight as a mission specialist on STS-91, the 10-day ninth and final Mir docking mission in 1998, along with fellow Escargot Gorie. On her second flight, she served as a mission specialist on the 11-day STS-99 SRTM in 2000, once again with fellow Escargot Gorie. As a mission specialist on STS-104, her third and final spaceflight, Kavandi flew with fellow Escargots Lindsey and Reilly to install the Quest airlock on the station. On her three flights, she logged 34 days in space. Kavandi served as director of NASA’s Glenn Research Center in Cleveland from March 2016 to September 2019.
A colonel in the U.S. Air Force, California-born Lindsey has the distinction as the only member of his class to complete five spaceflights. He served as pilot on his first spaceflight in 1997, the 16-day STS-87 USMP-4 mission, joined by fellow Escargots Chawla and Doi. He flew as pilot on his second mission in 1998, the nine-day STS-95 mission that saw astronaut John H. Glenn return to space. Fellow Escargot Robinson joined Lindsey on this mission. He commanded his third spaceflight, the 13-day STS-104 mission in 2001 that delivered the Quest airlock to the space station. Fellow Escargots Kavandi and Reilly accompanied Lindsey on this flight. He served as commander of his fourth trip into space in 2006, the 13-day STS-121 second return to flight mission after the Columbia accident that also returned the station to a 3-person crew. For his fifth and final space mission in 2011, Lindsey once again served as commander, of STS-133, the 39th and final flight of space shuttle Discovery. The fifth Utilization and Logistics Flight delivered the Permanent Multipurpose Module and the third of four EXPRESS Logistics Carriers to the space station. Lindsey’s flight on STS-133 marked the last flight by a Flying Escargot. Across his five missions, Lindsey logged nearly 63 days in space.
Born in Massachusetts, Lu earned a doctorate in applied physics. He received his first spaceflight assignment as a mission specialist on the nine-day STS-84 flight in 1997, the sixth Mir docking mission. Fellow Escargot Noriega accompanied him on the flight. On his second trip into space, Lu served as mission specialist on STS-106, a 12-day station resupply mission in 2000. He participated in a six-hour spacewalk to complete electrical connections between two of the station’s modules. Fellow Escargot Altman flew with Lu on this mission. On his third mission, Lu served as flight engineer of Expedition 7, spending 185 days in space in 2003, the only Escargot to complete a long-duration mission. He logged 206 days in space during his three spaceflights.
California native Melroy, a colonel in the U.S. Air Force, received her first flight assignment as pilot of STS-92, the 13-day space station assembly flight in 2000 that delivered the Z1 truss. She served as pilot on her second mission, STS-112, the 11-day flight that brought the S1 truss to the station in 2002. Fellow Escargot Ashby commanded this mission. On her third and final mission in 2007, she served as commander of STS-120, the 15-day assembly flight that brought the Harmony Node 2 module to the station. After hatch opening, space station commander Peggy A. Whitson greeted Melroy, highlighting the first time that women commanded both spacecraft. She accumulated nearly 39 days in space during her three missions. Melroy has served as NASA’s deputy administrator since June 2021.
Noriega has the distinction as the first Peruvian-born astronaut, and served as a lieutenant colonel in the U.S. Marine Corps. For his first spaceflight, he served as a mission specialist, along with fellow Escargot Lu, on STS-84, the nine-day sixth Mir docking mission in 1997. On his second and final mission, Noriega served as a mission specialist on STS-97, the 11-day assembly flight in 2000 that delivered the P6 truss and the first set of U.S. solar arrays to the space station. He participated in three spacewalks, spending more than 19 hours outside. Fellow Escargot Bloomfield served as pilot on this mission. Across his two flights, Noriega accumulated 20 days in space.
Born in Idaho, Reilly earned a doctorate in geosciences. He received his first spaceflight assignment as a mission specialist on STS-89, the nine-day eighth Mir docking mission in 1998. Fellow Escargots Edwards and Anderson joined him on this mission. On his second trip to space, Reilly served as a mission specialist on STS-104, the assembly flight to install the Quest airlock on the station. Reilly participated in three spacewalks, including the first one staged from the Quest airlock, totaling 15 and a half hours. Fellow Escargots Lindsey and Kavandi accompanied Reilly on this mission. On his third and final spaceflight, Reilley flew as a mission specialist on STS-117, the 14-day flight in 2007 that delivered the S3/S4 truss segment to the station. Reilly participated in two of the mission’s spacewalks, spending more than 13 hours outside. Fellow Escargot Sturckow served as commander on this mission. Across his three spaceflights, Reilly logged more than 35 days in space and spent nearly 29 hours outside on five spacewalks.
California native Robinson earned a doctorate in mechanical engineering. On his first spaceflight, he flew, along with fellow Escargot Curbeam, as a mission specialist on STS-85, a 12-day mission in 1997 that carried the CRISTA-SPAS-2 free flyer. On his second trip into space, he served as a mission specialist on STS-95, commanded by fellow Escargot Lindsey, the nine-day mission in 1998 that saw astronaut John H. Glenn return to space. In 2005, Robinson flew for a third time on STS-114, the 14-day return to flight mission after the Columbia accident. He participated in three spacewalks totaling 20 hours. He flew as a mission specialist on STS-130, his fourth and final spaceflight, in 2010. Fellow Escargot Hire accompanied him on the 14-day mission that brought the Tranquility Node 3 module and the Cupola to the station. Robinson logged 48 days in space across his four missions.
Born in Georgia, and a commander in the U.S. Navy, Still received her first spaceflight assignment as pilot for STS-83, the Microgravity Sciences Laboratory (MSL) mission in 1997. She has the distinction as the first of her class to reach space. When a fuel cell problem cut the planned 16-day mission short after four days, NASA decided to refly the mission and its crew. Still returned to space as pilot of STS-94, the MSL reflight, later in 1997, and flew the full duration 16 days. She logged a total of 20 days in space.
California native and a colonel in the U.S. Marine Corps, Sturckow received his first spaceflight assignment as pilot of STS-88, the 12-day mission in 1998 that launched the Node 1 Unity module to begin assembly of the space station. He again served as pilot on his second spaceflight, STS-105 in 2001, a 12-day station assembly, resupply, and crew rotation mission. Sturckow served as commander on his third mission, the 14-day STS-117 mission in 2007 that delivered the S3/S4 truss segment to the station. Fellow Escargot Reilly accompanied Sturckow on this mission. He once again served as commander on his fourth and final spaceflight, STS-128, the 14-day flight in 2009 that brought facilities to the station to enable a six-person permanent crew. He logged more than 51 days in space on his four missions.
Born in La Rochelle, France, Chrétien rose to the rank of brigadier general in the French Air Force. Selected as an astronaut by CNES in 1980, Chrétien made his first spaceflight in 1982, an eight-day mission aboard the Soviet Salyut-7 space station, the first non-Soviet and non-American to reach space. Chrétien returned to space in 1988, completing a 25-day mission aboard Mir during which he participated in a six-hour spacewalk, the first non-Soviet and non-American to do so. Under a special agreement between NASA and CNES, Chrétien and Tognini joined the Group 15 astronauts for training, making them eligible for flights on the shuttle. For his third and final spaceflight, Chrétien served as a mission specialist on the 11-day STS-86 seventh Mir docking mission in 1997. Fellow Escargot Bloomfield served as pilot on this mission. Across his three flights, Chrétien logged more than 43 days in space.
Tokyo native Doi earned a doctorate in aerospace engineering. NASDA selected him as an astronaut in 1985 and through an agreement with NASA, he joined the Group 15 astronauts for training, making him eligible for flights on the space shuttle. On his first spaceflight, he flew as a mission specialist on STS-87, accompanied by fellow Escargots Lindsey and Chawla. The 16-day mission in 1997 carried the USMP-4 suite of experiments. Doi participated in two spacewalks, spending more than 15 hours outside the shuttle. For his second and final spaceflight, Doi flew as a mission specialist on STS-123, the 16-day assembly flight in 2008 that delivered the Japanese pressurized logistics module and the SPDM to the station. Fellow Escargot Gorie served as commander on this mission. Doi logged more than 31 days in space on his two missions.
The French space agency CNES selected Tognini, born in Vincennes, France, in 1985. He rose to the rank of brigadier general in the French Air Force. He received his first assignment as Chrétien’s backup for his 1988 mission to Mir. For his first spaceflight, Tognini spent 14 days aboard Mir in 1992. Under a special agreement between NASA and CNES, Tognini and Chrétien joined the Group 15 astronauts for training, making them eligible for flights on the shuttle. For his second spaceflight, Tognini served as a mission specialist on STS-93, the five-day mission in 1999 to deploy the Chandra X-ray Observatory. Fellow Escargot Ashby served as pilot on this mission. Tognini logged nearly 19 days in space.
Born in Saskatoon, Saskatchewan, Williams earned a medical degree. The CSA selected him as an astronaut in 1992, and in January 1995, as part of an agreement between NASA and the CSA, he joined the Group 15 astronauts for training, making him eligible for flights on the space shuttle. His first spaceflight took place in 1998 as a mission specialist on the 16-day STS-90 Neurolab mission, under the command of fellow Escargot Altman. For his second trip into space, he served as a mission specialist on STS-118, the 13-day assembly flight in 2007 that delivered the S5 truss segment to the space station. Williams participated in three of the mission’s four spacewalks, spending nearly 18 hours outside. Across his two missions, he spent nearly 29 days in space.
Summary of spaceflights by Group 15 astronauts. Jean-Loup Chrétien completed two earlier missions, to Salyut-7 in 1982 and to Mir in 1988, while Tognini completed one earlier mission to Mir in 1992. Credit: NASA The Group 15 NASA and international astronauts made significant contributions to spaceflight. As a group, they completed 64 flights spending 888 days, or nearly two and a half years, in space, including the three flights Chrétien and Tognini completed before their addition to the group. One Flying Escargot made a single trip into space, nine made two trips, eight made three, four made four, and one went five times. Seventeen of the 23 participated in the assembly, research, maintenance, logistics, and management of the space station. In preparation for space station operations, ten group members visited Mir, and seven visited both space stations, but only one completed a long-duration flight. Twelve contributed their talents on Spacelab or other research missions, and three performed work with the great observatories Hubble and Chandra. Eight of the 23 performed 25 spacewalks spending 161 hours, or more than six days, outside their spacecraft.
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Dominique V. Crespo
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Last Updated Dec 09, 2024 Related Terms
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By NASA
3 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
Members of NASA’s VERITAS science team pose for a photo on July 31, 2023, after arriving in Iceland to begin a campaign to study the volcanic island’s geology in support of the future mission to Venus. Principal Investigator Suzanne Smrekar is holding the VERITAS logo.NASA/JPL-Caltech Suzanne Smrekar, geophysicist and principal investigator of the agency’s upcoming VERITAS mission to Venus, is NASA JPL’s first recipient of the prestigious award.
Suzanne Smrekar, a senior research scientist at NASA’s Jet Propulsion Laboratory in Southern California, received the Fred Whipple Award on Monday, Dec. 9, in Washington at the fall meeting of the American Geophysical Union. Named for astronomer Fred Whipple, the prestigious award recognizes contributions to the field of planetary science. Smrekar also gave the Whipple Lecture “To Venus: A love letter from Earth and beyond” at the event.
Smrekar is the principal investigator of NASA’s VERITAS mission, short for Venus Emissivity, Radio science, InSAR, Topography, And Spectroscopy. Slated for launch in the early 2030s, the orbiter will study Venus from surface to core to understand how a rocky planet about the same size as Earth took a very different path, developing into a world covered in volcanic plains and deformed terrain hidden beneath a thick, hot, toxic atmosphere.
Smrekar’s passion for modeling and studying how rocky planets evolve led her to a previous stint as deputy principal investigator of NASA’s Mars InSight mission (Interior Exploration using Seismic Investigations, Geodesy and Heat Transport), which revealed new details about the Red Planet’s marsquakes and interior layers, including its crust, mantle, and liquid core.
Based at JPL since 1992, Smrekar worked early in her career on NASA’s Magellan mission. “I got to see the first radar images come back from the surface of Venus, and I got to sit around the table with brilliant scientists from around the world examining these bizarre new landscapes, trying to imagine the forces that created them,” she recalled. “It was exhilarating! I was hooked on space exploration, and on Venus!”
A recent reexamination of Magellan data found evidence of active volcanism on the planet, and additional indirect evidence of activity, based on estimates of the heat coming out of the planet’s interior from specific tectonic features, has only added to the eagerness to explore Venus. Managed by JPL, VERITAS will study the planet in concert with NASA’s DAVINCI (Deep Atmosphere Venus Investigation of Noble gases, Chemistry, and Imaging) mission, which is managed by NASA’s Goddard Spaceflight Center in Greenbelt, Maryland, and is also launching in the early 2030s.
More About VERITAS
VERITAS partners include Lockheed Martin Space, the Italian Space Agency, the German Aerospace Center, and Centre National d’Études Spatiales in France. The Discovery Program is managed by the Planetary Missions Program Office at NASA’s Marshall Space Flight Center in Huntsville, Alabama, for the Planetary Science Division of NASA’s Science Mission Directorate in Washington.
VERITAS science team explores Iceland to prep for Venus Exploring the Deep Truths of Venus News Media Contact
Ian J. O’Neill
Jet Propulsion Laboratory, Pasadena, Calif.
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Last Updated Dec 09, 2024 Related Terms
VERITAS (Venus Emissivity, Radio Science, InSAR, Topography & Spectroscopy) ADEOS (Advanced Earth Observing Satellite) / MIDORI Jet Propulsion Laboratory Venus Explore More
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