The Ingenuity helicopter survived its first night on the freezing cold surface of Mars, a major milestone in the rotorcraft's journey ahead of its first flight.
원문출처 : https://www.cnn.com/2021/04/05/world/mars-helicopter-ingenuity-nasa-rotorcraft-scn-trnd/index.html
원문출처 : https://www.cnn.com/2021/04/05/world/mars-helicopter-ingenuity-nasa-rotorcraft-scn-trnd/index.html