Astronomers have uncovered a potentially habitable Earth-sized exoplanet 300 light-years away from us.
원문출처 : https://www.cnn.com/2020/04/15/world/kepler-earth-size-exoplanet-discovery-scn/index.html
원문출처 : https://www.cnn.com/2020/04/15/world/kepler-earth-size-exoplanet-discovery-scn/index.html