The Proxima Centauri exoplanet is exciting because it is much closer to us than any other exoplanet with the potential to harbor life.
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Replying to @NASAWebb
is it reasonable to compare sizes and orbits of Proxina Centari and Proxima b to Jupiter (M[Pa]/100) and Ganymede (M[Pb]/60)?
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Replying to @gkichok
So, it is a reasonable comparison but its not exact. This is certainly a much closer comparison than the Sun/Earth.
7:32 AM - 29 Aug 2016
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