Columbia Astronomers Find First Compelling Evidence for a Moon Outside Our Solar System

This artist’s concept depicts select planetary discoveries made to date by NASA’s Kepler space telescope. (Credit: NASA/W. Stenzel)

New exomoon candidate has been observed around a star some 8,000 light-years away from Earth and is believed to be around the size of Neptune

New York, NY, October 3, 2018 (Columbia University PR) – A pair of Columbia University astronomers using NASA’s Hubble Space Telescope and Kepler Space Telescope have assembled compelling evidence for the existence of a moon orbiting a gas-giant planet 8,000 light-years away.
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