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By NASA
5 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
Sunlight gleams off NASA’s Lunar Trailblazer as the dishwasher-size spacecraft orbits the Moon in this artist’s concept. The mission will discover where the Moon’s water is, what form it is in, and how it changes over time, producing the best-yet maps of water on the lunar surface.Lockheed Martin Space The small satellite mission will map the Moon to help scientists better understand where its water is, what form it’s in, how much is there, and how it changes over time.
Launching no earlier than Wednesday, Feb. 26, NASA’s Lunar Trailblazer will help resolve an enduring mystery: Where is the Moon’s water? After sharing a ride on a SpaceX Falcon 9 rocket with Intuitive Machines’ IM-2 launch — part of NASA’s CLPS (Commercial Lunar Payload Services) initiative — the small satellite will take several months to arrive in lunar orbit.
Here are six things to know about the mission.
1. Lunar Trailblazer will produce high-resolution maps of water on the lunar surface.
One of the biggest lunar discoveries in recent decades is that the Moon’s surface has quantities of water, but little about its nature is known. To investigate, Lunar Trailblazer will decipher where the water is, what form it is in, how much is there, and how it changes over time. The small satellite will produce the best-yet maps of water on the lunar surface. Observations gathered during the two-year prime mission will also contribute to the understanding of water cycles on airless bodies throughout the solar system.
2. The small satellite will use two state-of-the-art science instruments.
Key to achieving these goals are the spacecraft’s two science instruments: the High-resolution Volatiles and Minerals Moon Mapper (HVM3) infrared spectrometer and the Lunar Thermal Mapper (LTM) infrared multispectral imager. NASA’s Jet Propulsion Laboratory in Southern California provided the HVM3 instrument, while LTM was built by the University of Oxford and funded by the UK Space Agency.
HVM3 will detect and map the spectral fingerprints, or wavelengths of reflected sunlight, of minerals and the different forms of water on the lunar surface. The LTM instrument will map the minerals and thermal properties of the same landscape. Together they will create a picture of the abundance, location, and form of water while also tracking how its distribution changes over time and temperature.
Fueled and attached to an adaptor used for secondary payloads, NASA’s Lunar Trailblazer is seen at SpaceX’s payload processing facility within NASA’s Kennedy Space Center in Florida in early February 2025. The small satellite is riding along on Intuitive Machines’ IM-2 launch.SpaceX 3. Lunar Trailblazer will take a long and winding road to the Moon.
Weighing only 440 pounds (200 kilograms) and measuring 11.5 feet (3.5 meters) wide with its solar panels fully deployed, Lunar Trailblazer is about the size of a dishwasher and relies on a relatively small propulsion system. To make the spacecraft’s four-to-seven-month trip to the Moon (depending on the launch date) as efficient as possible, the mission’s design and navigation team has planned a looping trajectory that will use the gravity of the Sun, Earth, and Moon to guide Lunar Trailblazer to its final science orbit — a technique called low-energy transfer.
4. The spacecraft will peer into the darkest parts of the Moon’s South Pole.
Lunar Trailblazer’s science orbit positions it to peer into the craters at the Moon’s South Pole using the HVM3 instrument. What makes these craters so intriguing is that they harbor cold traps that may not have seen direct sunlight for billions of years, which means they’re a potential hideout for frozen water. The HVM3 spectrometer is designed to use faint reflected light from the walls of craters to see the floor of even permanently shadowed regions. If Lunar Trailblazer finds significant quantities of ice at the base of the craters, those locations could be pinpointed as a resource for future lunar explorers.
5. Lunar Trailblazer is a high-risk, low-cost mission.
Lunar Trailblazer was a 2019 selection of NASA’s SIMPLEx (Small Innovative Missions for Planetary Exploration), which provides opportunities for low-cost science spacecraft to ride-share with selected primary missions. To maintain a lower overall cost, SIMPLEx missions have a higher risk posture and lighter requirements for oversight and management. This higher risk acceptance allows NASA to enable science missions that could not otherwise be done.
6. Future missions will benefit from Lunar Trailblazer’s data.
Mapping the Moon’s water supports future human and robotic lunar missions. With knowledge from Lunar Trailblazer of where water is located, astronauts could process lunar ice to create water for human use, breathable oxygen, or fuel. And they could conduct science by sampling the ice for later study to determine the water’s origins.
More About Lunar Trailblazer
Lunar Trailblazer is led by Principal Investigator Bethany Ehlmann of Caltech in Pasadena, California. Caltech also leads the mission’s science investigation, and Caltech’s IPAC leads mission operations, which includes planning, scheduling, and sequencing of all spacecraft activities. NASA JPL manages Lunar Trailblazer and provides system engineering, mission assurance, the HVM3 instrument, and mission design and navigation. JPL is managed by Caltech for NASA. Lockheed Martin Space provided the spacecraft, integrated the flight system, and supports operations under contract with Caltech. The University of Oxford developed and provided the LTM instrument, funded by the UK Space Agency. Lunar Trailblazer, part of NASA’s Lunar Discovery Exploration Program, is managed by NASA’s Planetary Mission Program Office at Marshall Space Flight Center in Huntsville, Alabama, for the agency’s Science Mission Directorate in Washington.
News Media Contact
Karen Fox / Molly Wasser
NASA Headquarters, Washington
202-358-1600
karen.c.fox@nasa.gov / molly.l.wasser@nasa.gov
Ian J. O’Neill
Jet Propulsion Laboratory, Pasadena, Calif.
818-354-2649
ian.j.oneill@jpl.nasa.gov
Isabel Swafford
Caltech IPAC
626-216-4257
iswafford@ipac.caltech.edu
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Last Updated Feb 26, 2025 Related Terms
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By NASA
3 min read
NASA Open Data Turns Science Into Art
Guests enjoy Beyond the Light, a digital art experience featuring open NASA data, at ARTECHOUSE in Washington, D.C. on September 19, 2023. NASA/Wade Sisler An art display powered by NASA science data topped the Salesforce Tower in San Francisco, CA throughout December 2024. Nightly visitors enjoyed “Synchronicity,” a 20-minute-long video art piece by Greg Niemeyer, which used a year’s worth of open data from NASA satellites and other sources to bring the rhythms of the Bay Area to life.
Data for “Synchronicity” included atmospheric data from NASA and NOAA’s GOES (Geostationary Operational Environmental Satellites), vegetation health data from NASA’s Landsat program, and the Sun’s extreme ultraviolet wavelengths as captured by the NASA and ESA (European Space Agency) satellite SOHO (Solar and Heliospheric Observatory). Chelle Gentemann, the program scientist for the Office of the Chief Science Data Officer within NASA’s Science Mission Directorate, advised Niemeyer on incorporating data into the piece.
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Greg Niemeyer’s “Synchronicity” was displayed on Salesforce Tower in San Francisco, CA, in December 2024. A recording of the piece on the tower’s display and the original animation are shown here. The video art piece was created using open NASA data, as well as buoy data from the National Oceanographic and Atmospheric Administration (NOAA). Greg Niemeyer/Emma Strebel “Artists have a lot to contribute to science,” Gentemann said. “Not only can they play a part in the actual scientific process, looking at things in a different way that will lead to new questions, but they’re also critical for getting more people involved in science.”
NASA’s history of engaging with artists goes back to the 1962 launch of the NASA Art Program, which partnered with artists in bringing the agency’s achievements to a broader audience and telling the story of NASA in a different and unexpected way. Artists such as Andy Warhol, Norman Rockwell, and Annie Leibovitz created works inspired by NASA missions. The Art Program was relaunched in September 2024 with a pair of murals evoking the awe of space exploration for the Artemis Generation.
The inaugural murals for the relaunched NASA Art Program appear side-by-side at 350 Hudson Street, Monday, Sept. 23, 2024, in New York City. The murals, titled “To the Moon, and Back,” were created by New York-based artist team Geraluz and WERC and use geometrical patterns to invite deeper reflection on the exploration, creativity, and connection with the cosmos. NASA/Joel Kowsky The use of NASA data in art pieces emerged a few decades after the NASA Art Program first launched. Several in-house agency programs, such as NASA’s Scientific Visualization Studio, create stunning animated works from science data. In the realm of audio, NASA’s Chandra X-ray Observatory runs the Universe of Sound project to convert astronomy data into “sonifications” for the public’s listening pleasure.
Collaborations with external artists help bring NASA data to an even broader audience. NASA’s commitment to open science – making it as easy as possible for the public to access science data – greatly reduces the obstacles for creatives looking to fuse their art with cutting-edge science.
Michelle Thaller, assistant director for science communication at Goddard, presents the “Pillars of Creation” in the Eagle nebula to the ARTECHOUSE team during a brainstorming session at Goddard. The left image is a view from the Hubble Space Telescope, and the right view is from the Webb telescope. NASA/Wade Sisler Another recent blend of NASA data and art came when digital art gallery ARTECHOUSE created “Beyond the Light,” a 26-minute immersive video experience featuring publicly available images from the James Webb Space Telescope and Hubble Space Telescope. The experience has been running at various ARTECHOUSE locations since September 2023. The massive potential for art to incorporate science data promises to fuel even more of these collaborations between NASA and artists in the future.
“One of the integral values of open science is providing opportunities for more people to participate in science,” Gentemann said. “I think that by getting the public interested in how this art is done, they also are starting to play with scientific data, maybe for the first time. In that way, art has the power to create new scientists.”
Learn more about open science at NASA at https://science.nasa.gov/open-science.
By Lauren Leese
Web Content Strategist for the Office of the Chief Science Data Officer
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Last Updated Feb 26, 2025 Related Terms
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By NASA
The four crew members of NASA’s SpaceX Crew-9 mission, including NASA astronauts Nick Hague, Suni Williams, and Butch Wilmore, along with Roscosmos cosmonaut Aleksandr Gorbunov, pose for a photo aboard the International Space StationNASA Media are invited to hear from NASA’s SpaceX Crew-9 astronauts during a news conference beginning at 11:55 a.m. EST, Tuesday, March 4, from the International Space Station.
NASA astronauts Nick Hague, Suni Williams, and Butch Wilmore will discuss their return to Earth on NASA+. Learn how to watch NASA content through a variety of platforms, including social media.
Media interested in participating must contact the newsroom at NASA’s Johnson Space Center in Houston no later than 5 p.m. Monday, March 3, at 281-483-5111 or jsccommu@mail.nasa.gov. To ask questions, media must dial into the news conference no later than 15 minutes prior to the start of the call. A copy of NASA’s media accreditation policy is online. Questions also may be submitted on social media using #AskNASA.
Crew-9 contributed to hundreds of scientific experiments, including swabbing the station’s exterior for microbes, printing 3D medical devices, and studying how moisture, orbital altitude, and ultraviolet light affect plant growth.
The crew will depart the space station after the arrival of Crew-10 and a short handover period. Ahead of Crew-9’s return, mission teams will review weather conditions at the splashdown sites off the coast of Florida prior to departure from station.
The mission is part of NASA’s Commercial Crew Program, which provides reliable access to space, maximizing the use of the station for research and development and supporting future missions beyond low Earth orbit by partnering with private companies to transport astronauts to and from the space station.
Follow updates on the Crew-9 mission at:
https://www.nasa.gov/station
-end-
Joshua Finch / Jimi Russell
Headquarters, Washington
202-358-1100
joshua.a.finch@nasa.gov / james.j.russell@nasa.gov
Courtney Beasley
Johnson Space Center, Houston
281-483-5111
courtney.m.beasley@nasa.gov
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Last Updated Feb 26, 2025 LocationNASA Headquarters Related Terms
Humans in Space Astronauts Barry E. Wilmore International Space Station (ISS) Sunita L. Williams
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