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Q&A Could the TRAPPIST-1 planets have moons?

The TRAPPIST-1 planets are all very close to each other and thus are subjected to strong gravitational forces amongst each other and to the red dwarf they're orbiting. Would it be possible for them...

3 answers  ·  posted 6y ago by Böller‭  ·  last activity 6y ago by Böller‭

Question reality-check planets moons physics gravity