Astronomers have found a frozen exoplanet more than three times the mass of Earth, orbiting a star that's only six light-years away. The exoplanet is orbiting Barnard's star, the closest solitary star to our sun.
원문출처 : https://www.cnn.com/2018/11/14/world/super-earth-discovery-barnards-star/index.html
원문출처 : https://www.cnn.com/2018/11/14/world/super-earth-discovery-barnards-star/index.html