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Q&A How much time will this system last?

Imagine the following star system: The star is very much like ours. Orbiting this star is one planet, very much like Earth. Let's call it the Orb. Orbiting the Orb are two moons: a large one, Mon...

1 answer  ·  posted 7y ago by No Name‭  ·  last activity 7y ago by No Name‭

Question astronomy