What Keeps Cleaning The Mars Rovers?

The mars exploration missions launched in 2003, successfully landing two rovers, spirit and opportunity on the red planet. The mission’s objective was to search for clues to past water activity on Mars. The mission also included three previous landers: the two Viking program landers in 1976 and Mars Pathfinder probe in 1997.

The post What Keeps Cleaning The Mars Rovers? appeared first on Alien UFO Sightings.

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