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Q&A How far should second star be in my binary system?

For a certain reason, I needed two habitable similar earth-like planets very close to each other. After various information gathering, I gave up on double planet and gas giant moons, because tidal ...

4 answers  ·  posted 5y ago by Failus Maximus‭  ·  last activity 5y ago by Failus Maximus‭

Question earth-like planets stars physics earth astrophysics