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La NASA desafía a estudiantes a diseñar robots para excavar en la Luna
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By NASA
Robert Williams is a senior mechanical design engineer and the structures subject matter expert in the Engineering and Test Directorate at NASA’s Stennis Space Center.NASA/Danny Nowlin Living up to, and maintaining, the standard of excellence associated with NASA is what drives Robert Williams at NASA’s Stennis Space Center near Bay St. Louis, Mississippi.
A native of Gulfport, Mississippi, Williams said he has had the opportunity to work with and be mentored by “some truly exceptional” engineers, some with careers reaching back to the Apollo era.
“I cannot overstate the vast amount of practical knowledge and experience we have at NASA Stennis,” Williams said. “We know how to get things done, and if we do not know, I can guarantee we will figure it out.”
Williams is a senior mechanical design engineer and the structures subject matter expert for the NASA Stennis Engineering and Test Directorate.
He provides technical oversight related to engineering mechanics and machine design by reviewing analysis and design packages from NASA Stennis contractors and NASA engineers for ongoing projects.
Williams also supports projects by performing analysis and creating detailed models, drawings, and system level designs, mostly at the versatile four-stand E Test Complex, where NASA Stennis has 12 active test cells capable of various component, engine, and stage test activities to support the agency and commercial companies.
In support of NASA’s Artemis campaign of returning astronauts to the Moon, Williams also has reviewed structural and pipe stress analysis for the exploration upper stage project that will test a new SLS (Space Launch System) rocket stage to fly on future Artemis missions.
He performed similar review work for Green Run testing of the SLS core stage at NASA Stennis ahead of the successful launch of the Artemis I uncrewed mission around the Moon.
Overall, Williams has been a part of projects on every test stand throughout more than eight years with NASA and five years as a contractor. He has been tasked with solving challenging problems, both individually and as a part of teams.
There were times when he was not sure if he or the team would be able to solve the problem or address it effectively, but each time, the NASA Stennis team found a way.
“Over the span of my career, I have yet to be in a situation where the challenge was not met,” he said.
The opportunity to work with “pretty much all the major space companies in some capacity” is most interesting to Williams. “The best thing is that being a small organization within a relatively small center, there are always opportunities to develop new skills and capabilities to help fill a need or gap,” he said.
No matter the task, Williams looks forward to supporting space innovation while living up to, and maintaining, the standard of excellence associated with NASA for the benefit of all.
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By NASA
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Preparations for Next Moonwalk Simulations Underway (and Underwater)
Gary Laier, center liaison for the Small Business Innovation Research/Small Business Technology Transfer (SBIR/STTR) program at NASA’s Armstrong Flight Research Center in Edwards, California, teaches students about aeronautics during Aero Fair at Tropico Middle School in Rosamond, California, on April 9, 2025.NASA/Genaro Vavuris When curiosity takes flight, learning knows no bounds. The impact of supporting STEM education extends far beyond the classroom, shaping the future of innovation and exploration. NASA Engages is the agency’s outreach website that connects NASA experts and resources with communities, educators, and students across the country. Led by NASA’s Office of STEM Engagement, the platform fosters collaboration between educators, organizations, and NASA employees to inspire the next generation.
Giovanna Camacho, Pathways systems engineering intern from NASA’s Armstrong Flight Research Center in Edwards, California, teaches students about aeronautics during Aero Fair at Tropico Middle School in Rosamond, California, on April 9, 2025.NASA/Genaro Vavuris Bringing NASA to the Classroom
NASA employees dedicate their time and expertise through NASA Engages, whether they’re passionate about robotics, flight research, or inspiring young minds to pursue STEM careers. One example of this is Aero Fair, a STEM program led by the California Office of STEM Engagement at NASA’s Armstrong Flight Research Center in Edwards, California. This initiative brings aeronautics directly to students, with NASA Armstrong professionals visiting classrooms – both in person and virtually – to engage students during three-day experiences that allow them to learn about aeronautics, meet NASA professionals, and explore potential career paths they might not have previously considered.
“When volunteers step up to help inspire and facilitate learning in the classroom, they are benefiting not only the students they interact with, but our future generation as well,” says Giovanna Camacho, Pathways systems engineering intern at NASA Armstrong, who volunteered at the event.
Chloe Day, a student at Tropico Middle School in Rosamond, California, said Aero Fair inspired her to consider a STEM career. “When NASA employees were talking about what they do and how they help our world today, it made me feel like I want to do it too.”
Educators can request an Aero Fair experience through NASA’s STEM Gateway. These programs “give students a chance to see themselves as real problem-solvers and innovators,” said Shauna Tinich, a Tropico Middle School teacher. “The most beneficial part of Aero Fair is the real-world connection to STEM. The connection to NASA makes it real and exciting for the students.”
Students from Tropico Middle School in Rosamond, California, build their own paper planes as part of a project during NASA Aero Fair on April 9, 2025.NASA/Genaro Vavuris A Program for Impact
The NASA Engages website matches outreach opportunities to employee skills and interests, while educators and community organizations can use the website to request public speakers, classroom visits, and educational support at events.
For many volunteers, the experience is just as inspiring as it is for the students. “Every time I volunteer, I walk out inspired,” Camacho said. “It motivates me to continue my pursuit of making a difference.”
Gary Laier, center liaison for the Small Business Innovation Research and Small Business Technology Transfer programs at NASA Armstrong, and Aero Fair volunteer, agreed: “It’s a rewarding experience for students, teachers, and NASA volunteers alike. I enjoy the opportunity to inspire youth and get them excited about their futures.”
By participating in outreach activities like Aero Fair, career panels, or events, NASA employees not only help ignite curiosity and provide knowledge to students and the community but also strengthen NASA’s connection to the communities it serves.
Gary Laier, center liaison for the Small Business Innovation Research/Small Business Technology Transfer (SBIR/STTR) program at NASA’s Armstrong Flight Research Center in Edwards, California, teaches students about aeronautics during Aero Fair at Tropico Middle School in Rosamond, California, on April 9, 2025.NASA/Genaro Vavuris Explore NASA STEM Opportunities
Educators, organizations, and community groups can connect with NASA in two ways. Through NASA Engages, external groups can request NASA support for their own events – such as inviting a NASA speaker or arranging classroom visits and providing outreach materials. Meanwhile, NASA STEM Gateway provides opportunities for individuals to participate in NASA-developed STEM events, internships, and programs like Aero Fair. To request NASA participation in an event or to learn more about NASA STEM opportunities, visit https://stemgateway.nasa.gov/nasaengages/s/.
Giovanna Camacho, Pathways systems engineering intern at NASA’s Armstrong Flight Research Center in Edwards, California, teaches students about aeronautics during Aero Fair at Tropico Middle School in Rosamond, California, on April 9, 2025.NASA/Genaro Vavuris Share
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Last Updated Apr 30, 2025 Related Terms
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By NASA
What does the future of space exploration look like? At the 2025 FIRST Robotics World Championship in Houston, NASA gave student robotics teams and industry leaders a first-hand look—complete with lunar rovers, robotic arms, and real conversations about shaping the next era of discovery.
Students and mentors experience NASA exhibits at the 2025 FIRST Robotics World Championship at the George R. Brown Convention Center in Houston from April 16-18. NASA/Sumer Loggins NASA engaged directly with the Artemis Generation, connecting with more than 55,000 students and 75,000 parents and mentors. Through interactive exhibits and discussions, students explored the agency’s robotic technologies, learned about STEM career paths and internships, and gained insight into NASA’s bold vision for the future. Many expressed interest in internships—and dreams of one day contributing to NASA’s missions to explore the unknown for the benefit of all humanity.
Multiple NASA centers participated in the event, including Johnson Space Center in Houston; Jet Propulsion Laboratory in Southern California; Kennedy Space Center in Florida; Langley Research Center in Virginia; Ames Research Center in California; Michoud Assembly Facility in New Orleans; Armstrong Flight Research Center in Edwards, California; Glenn Research Center in Cleveland; Goddard Space Flight Center in Greenbelt, Maryland; and the Katherine Johnson Independent Verification and Validation Facility in West Virginia. Each brought unique technologies and expertise to the exhibit floor.
FIRST Robotics attendees explore NASA’s exhibit and learn about the agency’s mission during the event.NASA/Robert Markowitz Displays highlighted key innovations such as:
Automated Reconfigurable Mission Adaptive Digital Assembly Systems: A modular system of small robots and smart algorithms that can autonomously assemble large-scale structures in space. Cooperative Autonomous Distributed Robotic Exploration: A team of small lunar rovers designed to operate independently, navigating and making decisions together without human input. Lightweight Surface Manipulation System AutoNomy Capabilities Development for Surface Operations and Construction: A robotic arm system built for lunar construction tasks, developed through NASA’s Early Career Initiative. Space Exploration Vehicle: A pressurized rover prototype built for human exploration of planetary surfaces, offering attendees a look at how future astronauts may one day travel across the Moon or Mars. Mars Perseverance Rover: An exhibit detailing the rover’s mission to search for ancient microbial life and collect samples for future return to Earth. In-Situ Resource Utilization Pilot Excavator: A lunar bulldozer-dump truck hybrid designed to mine and transport regolith, supporting long-term exploration through the Artemis campaign. Visitors view NASA’s Space Exploration Vehicle on display.NASA/Robert Markowitz “These demonstrations help students see themselves in NASA’s mission and the next frontier of lunar exploration,” said Johnson Public Affairs Specialist Andrew Knotts. “They can picture their future as part of the team shaping how we live and work in space.”
Since the FIRST Championship relocated to Houston in 2017, NASA has mentored more than 250 robotics teams annually, supporting elementary through high school students. The agency continued that tradition for this year’s event, and celebrated the fusion of science, engineering, and creativity that defines both robotics and space exploration.
NASA’s booth draws crowds at FIRST Robotics 2025 with hands-on exhibits. NASA/Robert Markowitz Local students also had the chance to learn about the Texas High School Aerospace Scholars program, which offers Texas high school juniors hands-on experience designing space missions and solving engineering challenges—an early gateway into NASA’s world of exploration.
As the competition came to a close, students and mentors were already looking ahead to the next season—energized by new ideas, strengthened friendships, and dreams of future missions.
NASA volunteers at the FIRST Robotics World Championship on April 17, 2025. NASA/Robert Markowitz “It was a true privilege to represent NASA to so many inspiring students, educators, and mentors,” said Jeanette Snyder, aerospace systems engineer for Gateway. “Not too long ago, I was a robotics student myself, and I still use skills I developed through FIRST Robotics in my work as a NASA engineer. Seeing so much excitement around engineering and technology makes me optimistic for the future of space exploration. I can’t wait to see these students become the next generation of NASA engineers and world changers.”
With the enthusiastic support of volunteers, mentors, sponsors, and industry leaders, and NASA’s continued commitment to STEM outreach, the future of exploration is in bold, capable hands.
See the full event come to life in the panorama videos below.
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By NASA
6 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
An astronaut glove designed for International Space Station spacewalks is prepped for testing in a chamber called CITADEL at NASA JPL. Conducted at temperatures as frigid as those Artemis III astronauts will see on the lunar South Pole, the testing supports next-generation spacesuit development.NASA/JPL-Caltech Engineers with NASA Johnson and the NASA Engineering and Safety Center ready an astronaut glove for insertion into the main CITADEL chamber at JPL. The team tested the glove in vacuum at minus 352 degrees Fahrenheit (minus 213 degrees Celsius).NASA/JPL-Caltech A JPL facility built to support potential robotic spacecraft missions to frozen ocean worlds helps engineers develop safety tests for next-generation spacesuits.
When NASA astronauts return to the Moon under the Artemis campaign and eventually venture farther into the solar system, they will encounter conditions harsher than any humans have experienced before. Ensuring next-generation spacesuits protect astronauts requires new varieties of tests, and a one-of-a-kind chamber called CITADEL (Cryogenic Ice Testing, Acquisition Development, and Excavation Laboratory) at NASA’s Jet Propulsion Laboratory in Southern California is helping.
Built to prepare potential robotic explorers for the frosty, low-pressure conditions on ocean worlds like Jupiter’s frozen moon Europa, CITADEL also can evaluate how spacesuit gloves and boots hold up in extraordinary cold. Spearheaded by the NASA Engineering and Safety Center, a glove testing campaign in CITADEL ran from October 2023 to March 2024. Boot testing, initiated by the Extravehicular Activity and Human Surface Mobility Program at NASA’s Johnson Space Center in Houston, took place from October 2024 to January 2025.
An astronaut boot — part of a NASA lunar spacesuit prototype, the xEMU — is readied for testing in JPL’s CITADEL. A thick aluminum plate stands in for the cold surface of the lunar South Pole, where Artemis III astronauts will confront conditions more extreme than any humans have yet experienced.NASA/JPL-Caltech In coming months, the team will adapt CITADEL to test spacesuit elbow joints to evaluate suit fabrics for longevity on the Moon. They’ll incorporate abrasion testing and introduce a simulant for lunar regolith, the loose material that makes up the Moon’s surface, into the chamber for the first time.
“We’ve built space robots at JPL that have gone across the solar system and beyond,” said Danny Green, a mechanical engineer who led the boot testing for JPL. “It’s pretty special to also use our facilities in support of returning astronauts to the Moon.”
Astronauts on the Artemis III mission will explore the Moon’s South Pole, a region of much greater extremes than the equatorial landing sites visited by Apollo-era missions. They’ll spend up to two hours at a time inside craters that may contain ice deposits potentially important to sustaining long-term human presence on the Moon. Called permanently shadowed regions, these intriguing features rank among the coldest locations in the solar system, reaching as low as minus 414 degrees Fahrenheit (minus 248 degrees Celsius). The CITADEL chamber gets close to those temperatures.
Engineers from JPL and NASA Johnson set up a test of the xEMU boot inside CITADEL. Built to prepare potential robotic explorers for conditions on ocean worlds like Jupiter’s moon Europa, the chamber offers unique capabilities that have made it useful for testing spacesuit parts.NASA/JPL-Caltech “We want to understand what the risk is to astronauts going into permanently shadowed regions, and gloves and boots are key because they make prolonged contact with cold surfaces and tools,” said Zach Fester, an engineer with the Advanced Suit Team at NASA Johnson and the technical lead for the boot testing.
Keeping Cool
Housed in the same building as JPL’s historic 10-Foot Space Simulator, the CITADEL chamber uses compressed helium to get as low as minus 370 F (minus 223 C) — lower than most cryogenic facilities, which largely rely on liquid nitrogen. At 4 feet (1.2 meters) tall and 5 feet (1.5 meters) in diameter, the chamber is big enough for a person to climb inside.
An engineer collects simulated lunar samples while wearing the Axiom Extravehicular Mobility Unit spacesuit during testing at NASA Johnson in late 2023. Recent testing of existing NASA spacesuit designs in JPL’s CITADEL chamber will ultimately support de-velopment of next-generation suits being built by Axiom Space.Axiom Space More important, it features four load locks, drawer-like chambers through which test materials are inserted into the main chamber while maintaining a chilled vacuum state. The chamber can take several days to reach test conditions, and opening it to insert new test materials starts the process all over again. The load locks allowed engineers to make quick adjustments during boot and glove tests.
Cryocoolers chill the chamber, and aluminum blocks inside can simulate tools astronauts might grab or the cold lunar surface on which they’d walk. The chamber also features a robotic arm to interact with test materials, plus multiple visible-light and infrared cameras to record operations.
Testing Extremities
The gloves tested in the chamber are the sixth version of a glove NASA began using in the 1980s, part of a spacesuit design called the Extravehicular Mobility Unit. Optimized for spacewalks at the International Space Station, the suit is so intricate it’s essentially a personal spacecraft. Testing in CITADEL at minus 352 F (minus 213 C) showed the legacy glove would not meet thermal requirements in the more challenging environment of the lunar South Pole. Results haven’t yet been fully analyzed from boot testing, which used a lunar surface suit prototype called the Exploration Extravehicular Mobility Unit. NASA’s reference design of an advanced suit architecture, this spacesuit features enhanced fit, mobility, and safety.
In addition to spotting vulnerabilities with existing suits, the CITADEL experiments will help NASA prepare criteria for standardized, repeatable, and inexpensive test methods for the next-generation lunar suit being built by Axiom Space — the Axiom Extravehicular Mobility Unit, which NASA astronauts will wear during the Artemis III mission.
“This test is looking to identify what the limits are: How long can that glove or boot be in that lunar environment?” said Shane McFarland, technology development lead for the Advanced Suit Team at NASA Johnson. “We want to quantify what our capability gap is for the current hardware so we can give that information to the Artemis suit vendor, and we also want to develop this unique test capability to assess future hardware designs.”
In the past, astronauts themselves have been part of thermal testing. For gloves, an astronaut inserted a gloved hand into a chilled “glove box,” grabbed a frigid object, and held it until their skin temperature dropped as low as 50 F (10 C). McFarland stressed that such human-in-the-loop testing remains essential to ensuring future spacesuit safety but doesn’t produce the consistent data the team is looking for with the CITADEL testing.
To obtain objective feedback, the CITADEL testing team used a custom-built manikin hand and foot. A system of fluid loops mimicked the flow of warm blood through the appendages, while dozens of temperature and heat flux sensors provided data from inside gloves and boots.
“By using CITADEL and modern manikin technology, we can test design iterations faster and at much lower cost than traditional human-in-the-loop testing,” said Morgan Abney, NASA technical fellow for Environmental Control and Life Support, who conceived the glove testing effort. “Now we can really push the envelope on next-generation suit designs and have confidence we understand the risks. We’re one step closer to landing astronauts back on the Moon.”
Through Artemis, NASA will send astronauts to explore the Moon for scientific discovery, economic benefits, and build the foundation for the first crewed missions to Mars.
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Melissa Pamer
Jet Propulsion Laboratory, Pasadena, Calif.
626-314-4928
melissa.pamer@jpl.nasa.gov
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Last Updated Apr 24, 2025 Related Terms
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By NASA
2 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
Robotics teams gather on the main floor of the 2025 Aerospace Valley FIRST Robotics Competition at Eastside High School in Lancaster, California, adjusting and testing the functions of their robots, on April 3, 2025NASA/Genaro Vavuris A group of attendees to the 2025 Aerospace Valley FIRST Robotics Competition gather outside Eastside High School’s gymnasium in Lancaster, California, to watch an F/A-18 from NASA’s Armstrong Flight Research Center, in Edwards, California, fly over the school to kick off the competition, on April 3, 2025.NASA/Genaro Vavuris Jose Vasquez, engineering technician at NASA’s Armstrong Flight Research Center at Edwards, California, machines parts for a robot inside NASA’s mobile machine shop at the 2025 Aerospace Valley FIRST Robotics Competition in Lancaster, California, on April 3, 2025.NASA/Genaro Vavuris Students from Eagle Robotics, Team 399, supported by volunteers from NASA’s Armstrong Flight Research Center in Edwards, California, adjust their robot during the 2025 Aerospace Valley FIRST Robotics Competition in Lancaster, California, on April 3, 2025.NASA/Genaro Vavuris When young minds come together to test their knowledge and creativity in technology and innovation, the results are truly inspiring. In its sixth year, Aerospace Valley Regional FIRST Robotics Competition at East High School in Lancaster, California, proved to be another success. During three action-packed days, hundreds of students from around the world showcased their skills in building and programming robots designed to tackle real-world challenges. Volunteers from NASA’s Armstrong Flight Research Center in Edwards, California, played a key role, mentoring students and sharing expertise to guide the next generation of engineers.
The Aerospace Valley Regional was started with NASA’s support through the Robotics Alliance Project, which has helped expand robotics programs nationwide. As part of the project, NASA Armstrong supports five local teams and fosters innovation and mentorship for young minds. “It’s more than just a game – it’s a launchpad for future innovators,” said David Voracek, NASA Armstrong’s chief technologist, who has volunteered for 20 years and is the primary logistics manager.
Brad Flick, NASA Armstrong center director, toured the venue and talked to students, highlighting NASA’s continued commitment to inspiring the next generation of engineers and innovators. The event kicked off with an exciting F/A-18 flyover by NASA Armstrong research test pilots Nils Larson and James Less.
Throughout the competition, NASA volunteers – judges, scorers, and machinists – offered guidance and ensured smooth operations. The mobile shop supported students by repairing and fabricating parts for their robots, completing 79 jobs during the event. “Almost everything we do needs to get done in minutes,” says Jose Vasquez, volunteer, and engineering technician at NASA Armstrong’s fabrication lab, who volunteered at the event.
Beyond the competition, students engaged with industry professionals and explored career opportunities. “They don’t just build robots; they build confidence, resilience, and real-world skills alongside mentors who inspire them and volunteers who make it all possible,” Voracek said. This event showcased the talent, determination, and creativity that will shape the future of technology and innovation.
NASA’s Robotics Alliance Project provides grants for high school teams across the country and supports FIRST Robotics competitions, encouraging students to pursue STEM careers.
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Last Updated Apr 17, 2025 EditorDede DiniusContactPriscila Valdezpriscila.valdez@nasa.gov Related Terms
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