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Q&A Nine Different Earths in One System--How to Make That Possible

Astronomers place planet Earth under what they call a "Goldilocks Zone"--a spot in the solar system where conditions are ideal for liquid water to form, thus making the creation of life possible. ...

12 answers  ·  posted 9y ago by JohnWDailey‭  ·  last activity 7y ago by JohnWDailey‭

Question reality-check planets solar-system