Super Comet: The Impact | Part 1 | Free Documentary
Super Comet - The longest night | Science Documentary 65 million years ago the dinosaurs were wiped out by a gigantic asteroid. We could soon be next. We don't know when it will happen or where the asteroid will strike. We only know that it will happen - sometime - perhaps in 1000 years' time or perhaps tomorrow. Will it be the end of mankind? Through the eyes of a young astronomer we experience this catastrophic event.
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