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TRAPPIST-1’s 7 Rocky Planets May Be Made of Similar Stuff

22 Jan 2021, 17:12 UTC
TRAPPIST-1’s 7 Rocky Planets May Be Made of Similar Stuff

The TRAPPIST-1 star is home to the largest batch of roughly Earth-size planets ever found outside our solar system. An international study involving researchers from the Universities of Bern, Geneva and Zurich now shows that the exoplanets have remarkably similar densities, which provides clues about their composition.

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