jul 17, 2004 - Mars exploration rovers
Description:
Spirit and Opportunity Mars rovers scientific goals were primarily to search for and characterize a wide range of rocks and soils. It cost NASA $820 million to build and launch the rovers for a 90 day mission on Mars. This information could help scientists understand the atmosphere and geosphere of Mars.Added to timeline:
Date:
jul 17, 2004
Now
~ 21 years ago