ScienceCasts: Greenland's Thinning Ice

Visit http://science.nasa.gov/ for more. NASA's OMG and Operation IceBridge missions are investigating the thinning of Greenland's ice sheets from both above and below. Click here to see more videos: https://alugha.com/NASA

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ScienceCasts: Planetary Defense

NASA's Planetary Defense Coordination Office is working to keep Earth safe from asteroids and other hazards that come from deep space. Visit http://science.nasa.gov/ for more. NASA Planetary Defense: http://www.nasa.gov/planetarydefense Click here to see more videos: https://alugha.com/NASA

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