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  1. What color is a glacier?


    from Allen Pope / Liked

    4,854 Plays / / 8 Comments

    It sounds like a simple question - what color is a glacier? This video, compiled from 6 field seasons around the Arctic and Antarctic, shows you just how complex that answer is, why it matters, and…

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    • 10807 Black Hole Swallows Star


      from Science News / Liked

      13.9K Plays / / 1 Comment

      On March 28, 2011, NASA's Swift detected intense X-ray flares thought to be caused by a black hole devouring a star. In one model, illustrated here, a sun-like star on an eccentric orbit plunges…

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