Hubble Makes First Measurements of Earth-Sized Exoplanet Atmospheres.

On May 4th, 2016, the Hubble Space Telescope made the first spectroscopic measurements of two of the three known Earth-sized exoplanets in the TRAPPIST-1 system just 40 light-years away.

Music credit: "Feels Good" by Louise Dowd and Stephen William Cornish, Atmosphere Music Ltd, Killer Tracks Production Music.
Credit: NASA's Goddard Space Flight Center/Katrina Jackson