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the Supermassive Black Hole at the center of our Galaxy, spa

8 yıl önce2.3K views


spacevideos1 - There's a supermassive black hole (up to a billion times the mass of a usual black hole) at the center of every galaxy. It could be linked to the creation of the galaxy itself.This is a small footage of a wonderful show called "Horizon" and it's a co-production of the BBC and Discovery...