
Black holes: to the event horizon and beyond
NOVA Presents
00:00
The Black Hole in the Milky Way
Jana Levin is a professor of physics and astronomy at Barnard College. She's also an author and general black hole enthusiast. Jana agreed to take me on a journey into a black hole. Specifically, the supermassive black hole at the center of our Milky Way galaxy. The black hole Sagittarius A star is only about 20 times the width of the sun across.
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