Andrea M. Ghez

Scientist

1965-06-16

Andrea M. Ghez is an American astronomer and professor at UCLA. She was awarded the 2020 Nobel Prize in Physics for discoveries about the supermassive compact object at the center of the Milky Way.

Books by Andrea M. Ghez

You Can Be A Woman Astronomer CDROM & book
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Quotes by Andrea M. Ghez

Fortunately, most things around the supermassive black hole are just going to go around it. They're going to orbit it. They don't actually get sucked in.
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One of the big mysteries about the black hole at the center of the galaxy is, 'Why don't we see emission from matter falling onto the black hole, or, rather, the black hole eating up its surroundings?'
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The Keck telescope, which is the largest in the world, had opened just before I began my faculty position at UCLA.
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The atmosphere is great for people - it allows us to survive - but it's a real headache for astronomers.
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Proof of the black hole is a tremendous amount of mass inside a very small volume. There's 4 million times the mass of our sun within a region that's comparable to the size of our solar system.
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Black holes are very exotic objects. Technically, a black hole puts a huge amount of mass inside of zero volume. So our understanding of the center of black holes doesn't make sense, which is a big clue to physicists that we don't have our physics quite right.
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