ScienceCasts: The First Martian Marathon

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Stay up to date with NASA Science: https://science.nasa.gov/?utm_source=science&utm_medium=youtube&utm_campaign=2026 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.

Published 2015-05-14 · Watch on YouTube ↗
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