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Q&A How to design a super-earth that is 80,000 km in circumference?

My question is the following: How could I design and/or justify a habitable planet that is 80,000 km in circumference? The planet should: Be habitable Have a gravity similar to earth's Have act...

4 answers  ·  posted 7y ago by ThomasEvenor‭  ·  last activity 7y ago by ThomasEvenor‭

Question planets alternate-reality