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Q&A How could a sentient life form move an exoplanet the mass of the Earth?

Okay. I have been piecing together the elements of another story for my school PDF newspaper (we publish one to a wiki page every two days). Yesterday I asked this question on whether a second habi...

3 answers  ·  posted 9y ago by JDSweetBeat‭  ·  last activity 8y ago by JDSweetBeat‭

Question planets physics