Like millions of people around the world, David Shuster and his 7-year-old daughter cheered wildly as the Perseverance rover was lowered by sky crane to the Martian surface on Feb. 18 to start years of exploration. But for him and a subset of the Mars 2020 science team, true gratification will be delayed.
Click here for original story, For some scientists, Mars 2020 is a mission of perseverance
Source: Phys.org