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Q&A How to explain one side of Super Earth is smoother than the other side?

A spaceship flew across an unclassified region of the Milky Way galaxy and found a Super Earth in an unnamed system. The planet is almost twice as massive as Earth and is orbiting fairly far away ...

8 answers  ·  posted 5y ago by user6760‭  ·  last activity 5y ago by user6760‭

Question planets geology topography