The Mars Exploration Rovers "Spirit" and "Opportunity" were sent to Mars for what was planned to be a 90 day mission. 5 years later they are still roving the surface of Mars, making new discoveries almost... continue reading
posted by Duckman33 1 decade 5 years 8 months 3 weeks ago • 1,776 views • 7:59Of historical value
Created: 1 decade 5 years 9 months 3 weeks ago
Updated: 8 years 6 months 3 weeks ago
Views: 2,248
Updated: 8 years 6 months 3 weeks ago
Views: 2,248