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What scientists are learning after SpaceX debris crashed into the moon
PBS • • science
Key Points:
- A four-ton upper stage of a SpaceX Falcon 9 rocket, launched in January 2025 with two commercial lunar landers, crashed into the moon at over 5,000 mph due to solar activity and lunar gravity altering its trajectory.
- Scientists predicted the rocket would impact the Einstein crater on the moon's Earth-facing side, potentially creating a dust plume about 30 miles high, which could provide valuable data on lunar composition.
- Spectrometry data detected lithium and sodium in the impact cloud, though no direct images of the plume have been captured due to the difficulty of observing small events on the bright lunar surface.
- NASA has previously conducted deliberate lunar impacts, such as in 2009, to study the moon's composition, notably discovering water ice, which influenced the planning of Artemis missions to the lunar south pole.
- The increasing amount of space debris, both in low-Earth orbit and around the moon, poses challenges for future missions, highlighting the need for better debris management strategies as lunar exploration expands.
