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News and Features - NASA's Jet Propulsion Laboratory

Mon, 05 Feb 2018 20:02:00 GMT


New Clues to Compositions of TRAPPIST-1 Planets

This artist's concept shows what the TRAPPIST-1 planetary system may look like

The seven Earth-size planets of TRAPPIST-1 are all mostly made of rock, with some having the potential to hold more water than Earth, according to a new study.



 

 

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