The Ingenuity helicopter has successfully completed its historic flight on Mars and safely landed back on the surface, according to NASA.
원문출처 : https://www.cnn.com/2021/04/19/world/mars-helicopter-ingenuity-first-flight-scn-trnd/index.html
원문출처 : https://www.cnn.com/2021/04/19/world/mars-helicopter-ingenuity-first-flight-scn-trnd/index.html