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Q&A Rigorous Science Meta
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Q&A Could it be possible for two planets to collide and not kill everything?

Before we begin, two things. This question was inspired by this one. I definitely don't want this to happen. So, I have two very close tidally locked planets, each fills up about 2/3 of the sky of...

5 answers  ·  posted 9y ago by Xandar The Zenon‭  ·  last activity 6y ago by Xandar The Zenon‭

Question planets aliens orbital-mechanics