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Q&A Rigorous Science Meta
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Q&A Given our current knowledge of exoplanets, approximately how many planets have earth-like gravity in a galaxy the size of the Milky Way?

The "billions" estimates are probably correct, precisely how many billions is not going to have any significant effect on your plot line. So I will address a different story concern I'd have. ...

posted 7y ago by Amadeus‭

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