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Published on Jan 9, 2012
Correction: NASA's Spirit Rover has not been active since 2010. The video suggested the rover was still active.
If you want to catch rays on Mars, you have to head to a site called Greeley Haven. That's where NASA's rover Opportunity will spend the Martian winter, in hopes of recharging its batteries. The electricity-generating solar panels on Opportunity are now covered in so much dust that NASA needs to maximize the space vehicle's time in the sun between now and the southern winter solstice when days begin to lengthen. The sunny winter site is named after Ronald Greeley, one of the planetary geologists on the Mars rover team. Opportunity and its fellow rover Spirit both completed their primary missions in 2004 but are carrying on their exploration of the red planet. As Opportunity "winters" in Greeley Haven, it will be gathering data about wobbles in Mars' rotation, in hopes of helping better understand more about the planet's core.