ScienceCasts: NASA Spacecraft takes Space GPS to New Heights

NASA's MMS spacecraft are flying around Earth in a precise formation made possible by an out-of-this-world system of GPS navigators. Visit http://science.nasa.gov/ for more. Click here to see more videos: https://alugha.com/NASA

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ScienceCasts: Ocean Worlds

Visit http://science.nasa.gov/ for more. We once thought oceans made our planet unique, but we’re now coming to realize that ‘ocean worlds’ are all around us. Click here to see more videos: https://alugha.com/NASA