![](http://www.ecns.cn/hd/2021/03/09/8d34c8d258964949994cdbd79acc67f2.jpg)
This handout photo released by NASA via NASA's Perseverance Mars Rover Twitter account on March 8, 2021 shows wheel tracks behind the rover as it scouts a spot to drop off the Mars Helicopter, if the area gets certified as a flight zone. (Photo/Agencies)
Perseverance was launched on July 30, 2020 and landed on the surface of Mars on February 18 on a mission to search for signs of past life on the Red Planet.
![](http://www.ecns.cn/hd/2021/03/09/9e9a607f6b3447b39a8b1784ffb76b9b.jpg)
This handout photo released by NASA via NASA's Perseverance Mars Rover Twitter account on March 8, 2021 shows wheel tracks behind the rover as it scouts a spot to drop off the Mars Helicopter, if the area gets certified as a flight zone. (Photo/Agencies)
Perseverance was launched on July 30, 2020 and landed on the surface of Mars on February 18 on a mission to search for signs of past life on the Red Planet.