ScienceCasts: The First Martian Marathon
ScienceAtNASA- Video description
- 7 years ago
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On Earth, a fast runner takes a few hours to complete a marathon. On Mars, it's taken 11 years. NASA's Opportunity rover crossed that finish line in 2015.

Dude Perfect
Dude Perfect is an American entertainment show focusing on extreme sport tricks aired on YouTube. The group has 4 members: twins Coby and Cory Cotton, Garrett Hilbert, Cody Jones, and Tyler Toney;...
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