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Quotes for topic: Black Holes


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Showing 1-10 of 13 quotes in the topic Black Holes

One of the key differences between galaxies with super massive black holes is whether or not the black holes are lit up, because they are basically bingeing on a lot of material in its surroundings.

~Andrea M. Ghez

Topics: Basically Because Between Black Black Holes Differences Galaxies Holes Key Lit Lot Massive Material Super Surroundings Up Whether

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How do you observe something you can't see? This is the basic question of somebody who's interested in finding and studying black holes. Because black holes are objects whose pull of gravity is so intense that nothing can escape it, not even light, so you can't see it directly.

~Andrea M. Ghez

Topics: Basic Because Black Black Holes Directly Escape Even Finding Gravity Holes How Intense Interested Light Nothing Objects Observe Pull Question See Somebody Something Studying Whose You

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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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We have this interesting problem with black holes. What is a black hole? It is a region of space where you have mass that's confined to zero volume, which means that the density is infinitely large, which means we have no way of describing, really, what a black hole is!

~Andrea M. Ghez

Topics: Black Black Hole Black Holes Confined Density Describing Hole Holes Infinitely Interesting Large Mass Means Problem Really Region Space Volume Way Where Which You Zero

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There's a lot of cruelty going on all the time, and I'm not just talking about inter-human cruelty. I'm talking about whole species becoming extinct, asteroids hitting planets, black holes gobbling up stars.

~Barbara Ehrenreich

Topics: About Becoming Black Black Holes Cruelty Extinct Going Hitting Holes Just Lot Planets Species Stars Talking Time Up Whole

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The size of the effect that we measured from the first event, the merging of two black holes, the actual size of the signal was about one thousandth the size of a proton, what it did to our apparatus.

~Barry Barish

Topics: About Actual Apparatus Black Black Holes Did Effect Event First Holes Measured Our Signal Size Two

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When the signal reached LIGO from a collision of two stellar black holes that occurred 1.3 billion years ago, the 1,000-scientist-strong LIGO Scientific Collaboration was able to both identify the candidate event within minutes and perform the detailed analysis that convincingly demonstrated that gravitational waves exist.

~Barry Barish

Topics: Able Analysis Billion Black Black Holes Both Candidate Collaboration Collision Detailed Event Exist Gravitational Holes Identify Minutes Occurred Perform Reached Scientific Signal Two Waves Within Years Years Ago

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Black holes provide theoreticians with an important theoretical laboratory to test ideas. Conditions within a black hole are so extreme, that by analyzing aspects of black holes we see space and time in an exotic environment, one that has shed important, and sometimes perplexing, new light on their fundamental nature.

~Brian Greene

Topics: Analyzing Aspects Black Black Hole Black Holes Conditions Environment Exotic Extreme Fundamental Hole Holes Ideas Important Laboratory Light Nature New Perplexing Provide See Shed Sometimes Space Space And Time Test Theoretical Time Within

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I've seen children's eyes light up when I tell them about black holes and the Big Bang.

~Brian Greene

Topics: About Bang Big Big Bang Black Black Holes Children Eyes Holes Light Seen Tell Them Up

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Black holes, we all know, are these regions where if an object falls in, it can't get out, but the puzzle that many struggled with over the decades is, what happens to the information that an object contains when it falls into a black hole. Is it simply lost?

~Brian Greene

Topics: Black Black Hole Black Holes Contains Decades Falls Get Happens Hole Holes Information Know Lost Many Object Out Over Puzzle Regions Simply Struggled Where

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