NASA's next mission to Mars will be its most advanced yet. But if scientists discover there was once life -- or there is life -- on the Red Planet, will the public be able to handle such an extraterrestrial concept?
원문출처 : https://www.cnn.com/2019/09/30/us/nasa-life-on-mars-jim-green-scn-trnd/index.html
원문출처 : https://www.cnn.com/2019/09/30/us/nasa-life-on-mars-jim-green-scn-trnd/index.html