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The International Space Station supports a wide range of scientific activities from looking out at our universe to breakthroughs in medical research, and is an active proving ground for technology for future Moon exploration missions and beyond. Firefly Aerospace\u2019s Blue Ghost Mission-1 landed on the Moon on March 2, 2025, kicking off science and technology operations on the surface, including three experiments either tested on or enabled by space station research. These projects are helping scientists study space weather, navigation, and computer performance in space\u2014 knowledge crucial for future Moon missions.<\/p>\n
One of the experiments, the Lunar Environment Heliospheric X-ray Imager (LEXI), is a small telescope designed to study the Earth\u2019s magnetic environment and its interaction with the solar wind. Like the Neutron star Interior Composition Explorer (NICER) telescope mounted outside of the space station, LEXI observes X-ray sources. LEXI and NICER observed the same X-ray star to calibrate LEXI\u2019s instrument and better analyze the X-rays emitted from Earth\u2019s upper atmosphere, which is LEXI\u2019s primary target. LEXI\u2019s study of the interaction between the solar wind and Earth\u2019s protective magnetosphere could help researchers develop methods to safeguard future space infrastructure and understand how this boundary responds to space weather.<\/p>\n
Other researchers sent the Radiation Tolerant Computer System (RadPC) to the Moon to test how computers can recover from radiation-related faults. Before RadPC flew on Blue Ghost, researchers tested a radiation tolerant computer on the space station and developed an algorithm to detect potential hardware faults and prevent critical failures. RadPC aims to demonstrate computer resilience in the Moon\u2019s radiation environment. The computer can gauge its own health in real time, and RadPC can identify a faulty location and repair it in the background as needed. Insights from this investigation could improve computer hardware for future deep-space missions.<\/p>\n
In addition, the Lunar Global Navigation Satellite System (GNSS) Receiver Experiment (LuGRE) located on the lunar surface has officially received a GNSS signal at the farthest distance from Earth, the same signals that on Earth are used for navigation on everything from smartphones to airplanes. Aboard the International Space Station, Navigation and Communication Testbed (NAVCOM) has been testing a backup system to Earth\u2019s GNSS using ground stations as an alternative method for lunar navigation where GNSS signals may have limitations. Bridging existing systems with emerging lunar-specific navigation solutions could help shape how spacecraft navigate the Moon on future missions.<\/p>\n
The International Space Station serves as an important testbed for research conducted on missions like Blue Ghost and continues to lay the foundation for technologies of the future.<\/p>\n<\/div>\n