The crater is about 300 meters deep and 31 kilometers wide, and is the first to be found under any of our planet's ice sheets, according to NASA's Goddard Space Flight Center.
원문출처 : https://www.cnn.com/videos/world/2018/11/15/greenland-impact-crater-lon-orig.cnn
원문출처 : https://www.cnn.com/videos/world/2018/11/15/greenland-impact-crater-lon-orig.cnn