Martian minerals? How do we know whats there?

Published: Nov. 15, 2021, 3:45 p.m.

Did you ever wonder how scientists know what rocks are on Mars? Dr. Roger Wiens, PI of the SuperCam instrument on the Perseverance Rover that just landed this year on Mars, explains how it works. Roger also discusses meteorites on Earth from Mars, and the Wiens asteroid. That\u2019s right he even has an asteroid named after him!\xa0