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Q&A How long would it take us to detect a Deimos-like object moving towards Sol from Alpha Centauri

In a backstory for a potential videogame I'll likely never realize I've got the situation that a Deimos-like object... let's drop the facade here, the object is indeed Deimos, one of Mars' satellit...

3 answers  ·  posted 8y ago by dot_Sp0T‭  ·  last activity 8y ago by dot_Sp0T‭

Question space physics