Astronomy News

New Clues to TRAPPIST-1 Planet Compositions, Atmospheres

Spitzer Space Telescope -

In the year since NASA announced the seven Earth-sized planets of the TRAPPIST-1 system, scientists have been working hard to better understand these enticing worlds just 40 light-years away. Thanks to data from a combination of space- and ground-based telescopes, we know more about TRAPPIST-1 than any other planetary system besides our solar system.
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