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Q&A Lifetime of the Moon's moon

Imagine if the Moon had its own moon. A moon (likely an asteroid) that lies within the Moon's Hill Sphere. I have read elsewhere about the fate of such a moon. Over time due to the Moon being tidal...

3 answers  ·  posted 6y ago by Victorbrine Cassini‭  ·  last activity 6y ago by Victorbrine Cassini‭

Question space moons satellites