
How can we “see” how much the black hole in the center of our galaxy is eating?

How can we “see” how much the black hole in the center of our galaxy is eating?

Scientists are able to measure very distant black holes.

Think you move fast? These stars race around the black hole at the center of our galaxy at insane speeds!

If there are several universes, are they like nesting dolls or more like swiss cheese?
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