A NASA spacecraft that will deliberately crash into an asteroid is preparing to launch this week.
원문출처 : https://www.cnn.com/2021/11/23/world/nasa-dart-asteroid-mission-launch-preview-scn/index.html
원문출처 : https://www.cnn.com/2021/11/23/world/nasa-dart-asteroid-mission-launch-preview-scn/index.html