139k views
4 votes
Opportunity and Spirit, NASA's Mars Exploration Rovers, were the first scientific instruments able to collect samples directly from the surface of Mars. One of the mission's goals was to determine the likelihood that life ever existed on Mars. How were Spirit and Opportunity best able to supply evidence that in the distant past Mars may have had an environment favorable to life?

User Tghw
by
3.3k points

1 Answer

3 votes

Answer:

The rovers sent images of cross beds, centimeter-scale areas in rock layers, that could indicate whether water once flowed on Mars.

Step-by-step explanation:

User Jaredk
by
3.8k points