A Six Year Road Trip on Mars
This is a nice video that sums up the work of the Opportunity rover on Mars which was expected to be a 90 day mission, but that has been going string for six years. Of course my frustration watching this video is that one wishes that humans had made the trip instead of a robot — but the images are still impressive.
Related articles:
•Mars Rover Photos
•Five Years on Mars: Rovers Surviving the Martian Winters
•Six Years on Mars: The Case for Manned Mission to Mars