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Q&A To Catch A Planet

Let's suppose we live in different star system with two similar-sized planets (with a mass of three and a half Earths.) We live in Planet A, which is habitable. For some reason, Planet 2, our neigh...

3 answers  ·  posted 9y ago by A.C Louis‭  ·  last activity 7y ago by A.C Louis‭

Question space planets