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A comment on Seven earth-sized planets discovered circling a star 39 light years from Earth. Parent comment

Re:Seven earth-sized planets discovered circling a star 39 l... by stouset on Wednesday February 22, 2017 @04:58PM (#13709588)
At 0.125g/cm^3 of density, this amounts to a cube of liquid helium about 350 meters per side (43.5 million cubic meters).
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