TED-Ed

Ron Shaneyfelt: Is space trying to kill us? (2013x243)

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How likely is it that a massive asteroid will do major damage to Earth and its inhabitants? What about the sun -- is it dying out anytime soon? And the supermassive black hole at the center of the Milky Way -- should we be worried about that? Ron Shaneyfelt assesses the dangers of space. [Directed by Retchy, narrated by Ron Shaneyfelt].