As people around the world rethink many aspects of their lives to combat the coronavirus pandemic, NASA experts say that knowledge and understanding of how to stay safe and healthy will help us prepare for landing on another planet.
원문출처 : https://www.cnn.com/2020/04/06/world/mars-mission-prep-pandemic-scn/index.html
원문출처 : https://www.cnn.com/2020/04/06/world/mars-mission-prep-pandemic-scn/index.html