Light From An Ultra-Cool Neighbor
Light From An Ultra-Cool Neighbor
During the period of Dec. 15, 2016 and March 4, the Kepler spacecraft, operating as the K2 mission, observed TRAPPIST-1, an ultra-cool dwarf star home to seven Earth-size planets that are likley rocky. At image center is the light from TRAPPIST-1 collected by Kepler’s onboard camera.