TED-Ed

Is space trying to kill us? - Ron Shaneyfelt (2013x647)

Data di messa in onda: Mag 28, 2013

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. Lesson by Ron Shaneyfelt, animation by Retchy.