In the quest to find potentially habitable planets outside of our solar system, astronomers have searched for exoplanets similar to Earth.
원문출처 : https://www.cnn.com/2021/08/26/world/hycean-planets-habitable-scn/index.html
원문출처 : https://www.cnn.com/2021/08/26/world/hycean-planets-habitable-scn/index.html