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Quotes for topic: Black Hole


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Showing 1-10 of 25 quotes in the topic Black Hole

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?'

~Andrea M. Ghez

Topics: About Big Black Black Hole Center Eating Falling Galaxy Hole Matter Mysteries Onto Rather See Surroundings Up Why

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The key to proving that there's a black hole is showing that there's a tremendous amount of mass in a very small volume. And you can do that with the motions of stars. The way the star moves around the center of the galaxy is very much like the way the planets orbit the sun.

~Andrea M. Ghez

Topics: Amount Around Black Black Hole Center Galaxy Hole Key Like Mass Motions Moves Much Orbit Planets Proving Showing Small Star Stars Sun Tremendous Tremendous Amount Very Volume Way You

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The question that I started off with was, I thought, very simple. It was just 'Is there a massive black hole at the center of the Milky Way?' But one of the things I love about science is that you always end up with new questions.

~Andrea M. Ghez

Topics: About Always Black Black Hole Center End Hole Just Love Massive Milky Way New Off One Of The Things Question Questions Science Simple Started Things Thought Up Very Way You I Love

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The key to proving that there's a black hole is showing that there's a tremendous amount of mass in a very small volume. And you can do that with the motions of stars.

~Andrea M. Ghez

Topics: Amount Black Black Hole Hole Key Mass Motions Proving Showing Small Stars Tremendous Tremendous Amount Very Volume You

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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.

~Andrea M. Ghez

Topics: Actually Around Black Black Hole Fortunately Get Go Going Hole Just Most Orbit Sucked Things

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I'm interested in finding whether or not there is a really massive, what we like to call 'super massive' black hole at the center of our galaxy. And the reason this is interesting is that it gives us an opportunity to prove whether or not these exotic objects really exist.

~Andrea M. Ghez

Topics: Black Black Hole Call Center Exist Exotic Finding Galaxy Gives Hole Interested Interesting Like Massive Objects Opportunity Our Prove Really Reason Super Us Whether

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An ordinary black hole is thought to be the end state of a really massive star's life.

~Andrea M. Ghez

Topics: Black Black Hole End Hole Life Massive Ordinary Really Star State Thought

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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.

~Andrea M. Ghez

Topics: Amount Big Black Black Hole Black Holes Center Clue Exotic Hole Holes Huge Huge Amount Inside Make Mass Objects Our Physicists Physics Puts Quite Right Sense Technically Understanding Very Volume Which Zero

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As an astronomer, I get to ignore the details of the things that we don't understand. There's a lot of work that we can do on scales that we do understand, and there is actually a finite size that I can associate with a super massive black hole.

~Andrea M. Ghez

Topics: Actually Associate Astronomer Black Black Hole Details Finite Get Hole Ignore Lot Massive Scales Size Super Things Understand Work I Can

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Our galaxy's pretty ordinary, garden-variety. So if we believe our galaxy has a super massive black hole, that tells us that most, if not all, galaxies host such a black hole at their centers.

~Andrea M. Ghez

Topics: Believe Black Black Hole Centers Galaxies Galaxy Hole Host Massive Most Ordinary Our Pretty Super Tells Us

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