Mars Missions
Feb 16, 2021
In this image provided by NASA, Adam Steltzner, Perseverance chief engineer, JPL, shows a rover wheel during a NASA Perseverance rover mission engineering and technology overview, Tuesday, Feb. 16, 2021, at NASA's Jet Propulsion Laboratory in Pasadena, Calif. The Perseverance Mars rover is due to land on Mars on Thursday. (Bill Ingalls/NASA via AP)
