More than 830 miles above Earth's surface, a next-generation satellite will launch today to keep an eye on global sea levels.
원문출처 : https://www.cnn.com/2020/11/21/world/nasa-sentinel-6-michael-freilich-launch-scn/index.html
원문출처 : https://www.cnn.com/2020/11/21/world/nasa-sentinel-6-michael-freilich-launch-scn/index.html