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Feb 9, 2021, 8:39 am122 pts
The Next Web
Just 40 light-years from Earth, the TRAPPIST-1 system of planets is home to the largest family of Earth-like worlds known to astronomers. At least seven planets are known to orbit within the TRAPPIST-1 solar system. A new study shows these worlds have nearly identical densities — within just a few percent of…
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