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By NASA
2 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
2 Min Read More Than 400 Lives Saved with NASA’s Search and Rescue Tech in 2024
NASA Artemis II crew members are assisted by U.S. Navy personnel as they exit a mockup of the Orion spacecraft in the Pacific Ocean during Underway Recovery Test 11 (URT-11) on Feb. 25, 2024. Credits: NASA/Kenny Allen NASA’s Search and Rescue technologies enabled hundreds of lives saved in 2024.NASA/Dave Ryan Did you know that the same search and rescue technologies developed by NASA for astronaut missions to space help locate and rescue people across the United States and around the world?
NASA’s collaboration with the international satellite-aided search and rescue effort known as Cospas-Sarsat has enabled the development of multiple emergency location beacons for explorers on land, sea, and air.
Of the 407 lives saved in 2024 through search and rescue efforts in the United States, NOAA (National Oceanic and Atmospheric Administration) reports that 52 rescues were the result of activated personal locator beacons, 314 from emergency position-indicating radio beacons, and 41 from emergency locator transmitters. Since 1982, more than 50,000 lives have been saved across the world.
Using GPS satellites, these beacons transmit their location to the Cospas-Sarsat network once activated. The beacons then provide the activation coordinates to the network, allowing first responders to rescue lost or distressed explorers.
NASA Artemis II crew members are assisted by U.S. Navy personnel as they exit a mockup of the Orion spacecraft in the Pacific Ocean during Underway Recovery Test 11 (URT-11) on Feb. 25, 2024, while his crewmates look on. URT-11 is the eleventh in a series of Artemis recovery tests, and the first time NASA and its partners put their Artemis II recovery procedures to the test with the astronauts.NASA/Kenny Allen The Search and Rescue Office, part of NASA’s SCaN (Space Communications and Navigation) Program, has assisted in search and rescue services since its formation in 1979 Now, the office is building on their long legacy of Earth-based beacon development to support crewed missions to space.
The beacons also are used for emergency location, if needed, as part of NASA’s crew launches to and from the International Space Station, and will support NASA’s Artemis campaign crew recovery preparations during future missions returning from deep space. Systems being tested, like the ANGEL (Advanced Next-Generation Emergency Locator) beacon, are benefitting life on Earth and missions to the Moon and Mars. Most recently, NASA partnered with the Department of Defense to practice Artemis II recovery procedures – including ANGEL beacon activation – during URT-11 (Underway Recovery Test 11).
Miniaturized Advanced Next-Generation Emergency Locator (ANGEL) beacons will be attached to the astronauts’ life preserver units. When astronauts Reid Wiseman, Victor Glover, Christina Koch, and CSA (Canadian Space Agency) astronaut Jeremy Hanse splash back down to Earth — or in the unlikely event of a launch abort scenario — these beacons will allow them to be found if they need to egress from the Orion capsule.NASA The SCaN program at NASA Headquarters in Washington provides strategic oversight to the Search and Rescue office. NOAA manages the U.S. network region for Cospas-Sarsat, which relies on flight and ground technologies originally developed at NASA’s Goddard Space Flight Center in Greenbelt, Maryland. U.S. region rescue efforts are led by the U.S. Coast Guard, U.S. Air Force, and many other local rescue authorities.
About the Author
Kendall Murphy
Technical WriterKendall Murphy is a technical writer for the Space Communications and Navigation program office. She specializes in internal and external engagement, educating readers about space communications and navigation technology.
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Last Updated Feb 06, 2025 EditorGoddard Digital TeamContactKatherine Schauerkatherine.s.schauer@nasa.govLocationNASA Goddard Space Flight Center Related Terms
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4 min read NASA Search and Rescue Team Prepares for Safe Return of Artemis II Crew
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Article 2 years ago 3 min read NASA Search and Rescue Technology Saves Explorers, Enables Exploration
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By NASA
NASA’s Ames Research Center in Silicon Valley invites media to learn more about Distributed Spacecraft Autonomy (DSA), a technology that allows individual spacecraft to make independent decisions while collaborating with each other to achieve common goals – without human input. The DSA team achieved multiple firsts during tests of such swarm technology as part of the agency’s project.
DSA develops software tools critical for future autonomous, distributed, and intelligent spacecraft that will need to interact with each other to achieve complex mission objectives. Testing onboard the agency’s Starling mission resulted in accomplishments including the first fully distributed autonomous operation of multiple spacecraft, the first use of space-to-space communications to autonomously share status information between multiple spacecraft, and more.
DSA’s accomplishments mark a significant milestone in advancing autonomous systems that will make new types of science and exploration possible.
Caleb Adams, DSA project manager, is available for interview on Wednesday, Feb. 5 and Thursday, Feb. 6. To request an interview, media can contact the Ames Office of Communications by email at arc-dl-newsroom@nasa.gov or by phone at 650-604-4789.
Learn more about NASA Ames’ world-class research and development in aeronautics, science, and exploration technology at:
https://www.nasa.gov/ames
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Tiffany Blake
Ames Research Center, Silicon Valley
650-604-4789
tiffany.n.blake@nasa.gov
To receive local NASA Ames news, email local-reporters-request@lists.arc.nasa.gov with “subscribe” in the subject line. To unsubscribe, email the same address with “unsubscribe” in the subject line.
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By NASA
4 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
This version of a mosaic captured by the star tracker cameras aboard NASA’s Europa Clipper on Dec. 4, 2024, features the names of stars within view of the cameras. NASA/JPL-Caltech This mosaic of a star field was made from three images captured Dec. 4, 2024, by star tracker cameras aboard NASA’s Europa Clipper spacecraft. Showing part of the constel-lation Corvus, it’s the first imagery of space the orbiter has captured since its launch on Oct. 14, 2024.NASA/JPL-Caltech The spacecraft’s star trackers help engineers orient the orbiter throughout its long journey to Jupiter’s icy moon Europa.
Three months after its launch from NASA’s Kennedy Space Center in Florida, the agency’s Europa Clipper has another 1.6 billion miles (2.6 billion kilometers) to go before it reaches Jupiter’s orbit in 2030 to take close-up images of the icy moon Europa with science cameras.
Meanwhile, a set of cameras serving a different purpose is snapping photos in the space between Earth and Jupiter. Called star trackers, the two imagers look for stars and use them like a compass to help mission controllers know the exact orientation of the spacecraft — information critical for pointing telecommunications antennas toward Earth and sending data back and forth smoothly.
In early December, the pair of star trackers (formally known as the stellar reference units) captured and transmitted Europa Clipper’s first imagery of space. The picture, composed of three shots, shows tiny pinpricks of light from stars 150 to 300 light-years away. The starfield represents only about 0.1% of the full sky around the spacecraft, but by mapping the stars in just that small slice of sky, the orbiter is able to determine where it is pointed and orient itself correctly.
The starfield includes the four brightest stars — Gienah, Algorab, Kraz, and Alchiba — of the constellation Corvus, which is Latin for “crow,” a bird in Greek mythology that was associated with Apollo.
Engineers on NASA’s Europa Clipper mission work with the spacecraft’s star trackers in a clean room at the agency’s Jet Propulsion Laboratory in 2022. Used for orienting the spacecraft, the star trackers are seen here with red covers to protect their lenses.NASA/JPL-Caltech Hardware Checkout
Besides being interesting to stargazers, the photos signal the successful checkout of the star trackers. The spacecraft checkout phase has been going on since Europa Clipper launched on a SpaceX Falcon Heavy rocket on Oct. 14, 2024.
“The star trackers are engineering hardware and are always taking images, which are processed on board,” said Joanie Noonan of NASA’s Jet Propulsion Laboratory in Southern California, who leads the mission’s guidance, navigation and control operations. “We usually don’t downlink photos from the trackers, but we did in this case because it’s a really good way to make sure the hardware — including the cameras and their lenses — made it safely through launch.”
Pointing the spacecraft correctly is not about navigation, which is a separate operation. But orientation using the star trackers is critical for telecommunications as well as for the science operations of the mission. Engineers need to know where the science instruments are pointed. That includes the sophisticated Europa Imaging System (EIS), which will collect images that will help scientists map and examine the moon’s mysterious fractures, ridges, and valleys. For at least the next three years, EIS has its protective covers closed.
Europa Clipper carries nine science instruments, plus the telecommunications equipment that will be used for a gravity science investigation. During the mission’s 49 flybys of Europa, the suite will gather data that will tell scientists if the icy moon and its internal ocean have the conditions to harbor life.
The spacecraft already is 53 million miles (85 million kilometers) from Earth, zipping along at 17 miles per second (27 kilometers per second) relative to the Sun, and soon will fly by Mars. On March 1, engineers will steer the craft in a loop around the Red Planet, using its gravity to gain speed.
More About Europa Clipper
Europa Clipper’s three main science objectives are to determine the thickness of the moon’s icy shell and its interactions with the ocean below, to investigate its composition, and to characterize its geology. The mission’s detailed exploration of Europa will help scientists better understand the astrobiological potential for habitable worlds beyond our planet.
Managed by Caltech in Pasadena, California, JPL leads the development of the Europa Clipper mission in partnership with the Johns Hopkins Applied Physics Laboratory in Laurel, Maryland, for NASA’s Science Mission Directorate in Washington. APL designed the main spacecraft body in collaboration with JPL and NASA’s Goddard Space Flight Center in Greenbelt, Maryland, NASA’s Marshall Space Flight Center in Huntsville, Alabama, and Langley Research Center in Hampton, Virginia. The Planetary Missions Program Office at Marshall executes program management of the Europa Clipper mission. NASA’s Launch Services Program, based at Kennedy, managed the launch service for the Europa Clipper spacecraft.
Find more information about Europa Clipper here:
https://science.nasa.gov/mission/europa-clipper/
View an interactive 3D model of NASA’s Europa Clipper News Media Contacts
Gretchen McCartney
Jet Propulsion Laboratory, Pasadena, Calif.
818-287-4115
gretchen.p.mccartney@jpl.nasa.gov
Karen Fox / Molly Wasser
NASA Headquarters, Washington
202-358-1600
karen.c.fox@nasa.gov / molly.l.wasser@nasa.gov
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Last Updated Feb 04, 2025 Related Terms
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By NASA
6 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
Captured by the HiRISE camera on NASA’s Mars Reconnaissance Orbiter on March 4, 2021, this impact crater was found in Cerberus Fossae, a seismically active region of the Red Planet. Scien-tists matched its appearance on the surface with a quake detected by NASA’s InSight lander. With help from AI, scientists discovered a fresh crater made by an impact that shook material as deep as the Red Planet’s mantle.
Meteoroids striking Mars produce seismic signals that can reach deeper into the planet than previously known. That’s the finding of a pair of new papers comparing marsquake data collected by NASA’s InSight lander with impact craters spotted by the agency’s Mars Reconnaissance Orbiter (MRO).
The papers, published on Monday, Feb. 3, in Geophysical Research Letters (GRL), highlight how scientists continue to learn from InSight, which NASA retired in 2022 after a successful extended mission. InSight set the first seismometer on Mars, detecting more than 1,300 marsquakes, which are produced by shaking deep inside the planet (caused by rocks cracking under heat and pressure) and by space rocks striking the surface.
By observing how seismic waves from those quakes change as they travel through the planet’s crust, mantle, and core, scientists get a glimpse into Mars’ interior, as well as a better understanding of how all rocky worlds form, including Earth and its Moon.
A camera on the robotic arm of NASA’s InSight captured the lander setting down its Wind and Thermal Shield on Feb. 2, 2019. The shield covered InSight’s seismometer, which captured data from more than 1,300 marsquakes over the lander’s four-year mission. Researchers have in the past taken images of new impact craters and found seismic data that matches the date and location of the craters’ formation. But the two new studies represent the first time a fresh impact has been correlated with shaking detected in Cerberus Fossae, an especially quake-prone region of Mars that is 1,019 miles (1,640 kilometers) from InSight.
The impact crater is 71 feet (21.5 meters) in diameter and much farther from InSight than scientists expected, based on the quake’s seismic energy. The Martian crust has unique properties thought to dampen seismic waves produced by impacts, and researchers’ analysis of the Cerberus Fossae impact led them to conclude that the waves it produced took a more direct route through the planet’s mantle.
InSight’s team will now have to reassess their models of the composition and structure of Mars’ interior to explain how impact-generated seismic signals can go that deep.
“We used to think the energy detected from the vast majority of seismic events was stuck traveling within the Martian crust,” said InSight team member Constantinos Charalambous of Imperial College London. “This finding shows a deeper, faster path — call it a seismic highway — through the mantle, allowing quakes to reach more distant regions of the planet.”
Spotting Mars Craters With MRO
A machine learning algorithm developed at NASA’s Jet Propulsion Laboratory in Southern California to detect meteoroid impacts on Mars played a key role in discovering the Cerberus Fossae crater. In a matter of hours, the artificial intelligence tool can sift through tens of thousands of black-and-white images captured by MRO’s Context Camera, detecting the blast zones around craters. The tool selects candidate images for examination by scientists practiced at telling which subtle colorations on Mars deserve more detailed imaging by MRO’s High-Resolution Imaging Science Experiment (HiRISE) camera.
“Done manually, this would be years of work,” said InSight team member Valentin Bickel of the University of Bern in Switzerland. “Using this tool, we went from tens of thousands of images to just a handful in a matter of days. It’s not quite as good as a human, but it’s super fast.”
Bickel and his colleagues searched for craters within roughly 1,864 miles (3,000 kilometers) of InSight’s location, hoping to find some that formed while the lander’s seismometer was recording. By comparing before-and-after images from the Context Camera over a range of time, they found 123 fresh craters to cross-reference with InSight’s data; 49 of those were potential matches with quakes detected by the lander’s seismometer. Charalambous and other seismologists filtered that pool further to identify the 71-foot Cerberus Fossae impact crater.
Deciphering More, Faster
The more scientists study InSight’s data, the better they become at distinguishing signals originating inside the planet from those caused by meteoroid strikes. The impact found in Cerberus Fossae will help them further refine how they tell these signals apart.
“We thought Cerberus Fossae produced lots of high-frequency seismic signals associated with internally generated quakes, but this suggests some of the activity does not originate there and could actually be from impacts instead,” Charalambous said.
The findings also highlight how researchers are harnessing AI to improve planetary science by making better use of all the data gathered by NASA and ESA (European Space Agency) missions. In addition to studying Martian craters, Bickel has used AI to search for landslides, dust devils, and seasonal dark features that appear on steep slopes, called slope streaks or recurring slope linae. AI tools have been used to find craters and landslides on Earth’s Moon as well.
“Now we have so many images from the Moon and Mars that the struggle is to process and analyze the data,” Bickel said. “We’ve finally arrived in the big data era of planetary science.”
More About InSight
JPL managed InSight for the agency’s Science Mission Directorate. InSight was part of NASA’s Discovery Program, managed by the agency’s Marshall Space Flight Center in Huntsville, Alabama. Lockheed Martin Space in Denver built the InSight spacecraft, including its cruise stage and lander, and supported spacecraft operations for the mission.
A number of European partners, including France’s Centre National d’Études Spatiales (CNES) and the German Aerospace Center (DLR), supported the InSight mission. CNES provided the Seismic Experiment for Interior Structure (SEIS) instrument to NASA, with the principal investigator at IPGP (Institut de Physique du Globe de Paris). Significant contributions for SEIS came from IPGP; the Max Planck Institute for Solar System Research (MPS) in Germany; the Swiss Federal Institute of Technology (ETH Zurich) in Switzerland; Imperial College London and Oxford University in the United Kingdom; and JPL. DLR provided the Heat Flow and Physical Properties Package (HP3) instrument, with significant contributions from the Space Research Center (CBK) of the Polish Academy of Sciences and Astronika in Poland. Spain’s Centro de Astrobiología (CAB) supplied the temperature and wind sensors.
A division of Caltech in Pasadena, California, JPL manages the Mars Reconnaissance Orbiter Project for NASA’s Science Mission Directorate, Washington. The University of Arizona, in Tucson, operates HiRISE, which was built by BAE Systems in Boulder, Colorado. The Context Camera was built by, and is operated by, Malin Space Science Systems in San Diego.
For more about Insight, visit:
https://science.nasa.gov/mission/insight/
For more about MRO, visit:
https://science.nasa.gov/mission/mars-reconnaissance-orbiter/
News Media Contacts
Andrew Good
Jet Propulsion Laboratory, Pasadena, Calif.
818-393-2433
andrew.c.good@jpl.nasa.gov
Karen Fox / Molly Wasser
NASA Headquarters, Washington
202-358-1600
|karen.c.fox@nasa.gov / molly.l.wasser@nasa.gov
2025-013
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Last Updated Feb 03, 2025 Related Terms
InSight (Interior Exploration using Seismic Investigations, Geodesy and Heat Transport) Jet Propulsion Laboratory Mars Mars Reconnaissance Orbiter (MRO) Explore More
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By NASA
Caption: Illustration of the four PUNCH spacecraft in low Earth orbit. Credit: NASA’s Goddard Space Flight Center Conceptual Image Lab
NASA will hold a media teleconference at 2 p.m. EST on Tuesday, Feb. 4, to share information about the agency’s upcoming PUNCH (Polarimeter to Unify the Corona and Heliosphere) mission, which is targeted to launch no earlier than Thursday, Feb. 27.
The agency’s PUNCH mission is a constellation of four small satellites. When they arrive in low Earth orbit, the satellites will make global, 3D observations of the Sun’s outer atmosphere, the corona, and help NASA learn how the mass and energy there become solar wind. By imaging the Sun’s corona and the solar wind together, scientists hope to better understand the entire inner heliosphere – Sun, solar wind, and Earth – as a single connected system.
Audio of the teleconference will stream live on the agency’s website at:
https://www.nasa.gov/live
Participants include:
Madhulika Guhathakurta, NASA program scientist, NASA Headquarters Nicholeen Viall, PUNCH mission scientist, NASA’s Goddard Space Flight Center Craig DeForest, PUNCH principal investigator, Southwest Research Institute To participate in the media teleconference, media must RSVP no later than 12 p.m. on Feb. 4 to: Abbey Interrante at: abbey.a.interrante@nasa.gov. NASA’s media accreditation policy is available online.
The PUNCH mission will share a ride to space with NASA’s SPHEREx (Spectro-Photometer for the History of the Universe, Epoch of Reionization and Ices Explorer) space telescope on a SpaceX Falcon 9 rocket from Space Launch Complex 4 East at Vandenberg Space Force Base in California.
The Southwest Research Institute in Boulder, Colorado, leads the PUNCH mission. The mission is managed by the Explorers Program Office at NASA’s Goddard Space Flight Center in Greenbelt, Maryland, for NASA’s Science Mission Directorate in Washington.
To learn more about PUNCH, please visit:
https://nasa.gov/punch
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Karen Fox
Headquarters, Washington
202-358-1600
karen.fox@nasa.gov
Sarah Frazier
Goddard Space Flight Center, Greenbelt, Md.
202-853-7191
sarah.frazier@nasa.gov
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