Hubble Observes Atmospheres of TRAPPIST-1 Exoplanets in the Habitable Zone

May 14, 2019

Astronomers using the Hubble Space Telescope have conducted the first spectroscopic survey of Earth-sized planets in the TRAPPIST-1 system’s habitable zone. Hubble reveals that at least the inner five planets do not seem to contain puffy, hydrogen-rich atmospheres similar to gaseous planets such as Neptune. This means the atmospheres may be more shallow and rich in heavier gases like carbon dioxide, methane, and oxygen.
CREDITS: NASA’s Goddard Space Flight Center and K. Jackson; Music: “Deep Groove” by Danny McCarthy [ASCAP] and Thomas Dill [ASCAP]; Soundcast Music SESAC; Chronic Trax; Killer Tracks Production Music

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