The NASA Kepler mission has discovered 219 more exoplanets, including 10 Earth-size planets, program scientist Mario Perez said Monday at NASA's Ames Research Center in California.
원문출처 : http://www.cnn.com/2017/06/19/us/exoplanets-nasa-kepler-announcement/index.html
원문출처 : http://www.cnn.com/2017/06/19/us/exoplanets-nasa-kepler-announcement/index.html