In a high-stakes mission that could take five years to complete, NASA wants to land astronauts on Mars in the 2030s.
원문출처 : https://www.cnn.com/2020/12/08/world/mars-water-fuel-how-to-get-scn/index.html
원문출처 : https://www.cnn.com/2020/12/08/world/mars-water-fuel-how-to-get-scn/index.html