关于这张图
In this footage captured by the Mastcam-Z imager aboard the Perseverance Mars rover on April 19, 2021, the agency's Ingenuity Mars Helicopter lifts of from the Martian surface, hovers for 30 seconds, then touches back down. Lasting a total of 39.1 seconds, the flight marks the first instance of powered, controlled flight on another planet. The solar-powered helicopter first became airborne at 3:34 a.m. EDT (12:34 a.m. PDT) — 12:33 Local Mean Solar Time (Mars time) — a time the Ingenuity team determined would have optimal energy and flight conditions. Altimeter data indicate Ingenuity climbed …
