Artemis Astronauts Saw Meteoroids Crash Into the Moon

Why It Matters

Real‑time lunar impact data refines safety protocols for future crewed missions and guides engineering of protective systems.

Key Takeaways

• Artemis crew observed four distinct lunar impact flashes.
• Impacts occurred south of the lunar equator, left of center.
• Flashes confirmed not thruster glare, but meteoroid collisions.
• Citizen scientists on Earth also monitor lunar impact events.
• Observations enhance understanding of micrometeoroid environment around the moon.

Summary

During a recent Artemis mission, astronauts reported seeing bright flashes on the lunar surface, which they identified as impact events caused by meteoroids striking the Moon.

The crew logged four distinct flashes—two observed by one astronaut and two by another—occurring south of the lunar equator and slightly left of the Moon’s center. They ruled out thruster exhaust or reflected sunlight, confirming genuine meteoroid impacts.

As astronaut Reed noted, “It was definitely impact flashes on the Moon,” while his colleague Jeremy described the locations in detail. The team also highlighted that citizen scientists on Earth are simultaneously tracking similar flashes, creating a collaborative observation network.

These real‑time observations improve our understanding of the micrometeoroid environment around the Moon, informing spacecraft shielding designs and future crewed landing strategies.

Original Description

As the Artemis II astronauts completed their lunar flyby, they saw numerous "impact flashes," which happen when small space rocks (meteoroids) crash into the moon's surface. The news made scientists in NASA's Science Evaluation Room (SER) literally jump for joy.

Stay up to date on NASA's Artemis II mission around the moon at the link in our bio.

Credit: NASA

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