New estimates and calculations suggest that there are more Earth-like planets and ocean worlds in our galaxy, according to new research by astronomers published this week. There may be as many as 6 billion Earth-like planets across our galaxy.
원문출처 : https://www.cnn.com/2020/06/19/world/earth-like-planets-ocean-worlds-scn/index.html
원문출처 : https://www.cnn.com/2020/06/19/world/earth-like-planets-ocean-worlds-scn/index.html