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A black hole is not, strictly, made of anything in the conventional sense. Black holes are so exotic that they defy commonsense ideas about matter. While an object such as Earth ca...

A research vessel finds a missing ship, commanded by a mysterious scientist, on the edge of a black hole... More>>
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Black hole


A black hole is a geometrically defined region of spacetime exhibiting such strong gravitational effects that nothing—including particles and electromagnetic  ...

What Is a Black Hole? | NASA


A black hole is a place in space where gravity pulls so much that even light cannot get out.

Y observes idealized clocks on X slowing down, freezing in time when X hits r Y observes light from X redshift, reaching infinity at r (thus X becomes invisible - yet somehow we can still see their clocks. The collapse would seem to slow down, actually freezing in time... More »
By Andrew Zimmerman Jones, About.com Guide

Black Holes - NASA Science - Science@NASA


Oct 14, 2015 ... Don't let the name fool you: a black hole is anything but empty space. Rather, it is a great amount of matter packed into a very small area - think ...

What is a Black Hole? | Black Hole Facts, Theory & Definition


Apr 9, 2015 ... Black holes are some of the strangest and most mysterious objects in the universe. Billions of them may exist in the Milky Way alone. But what ...

HubbleSite: Black Holes: Gravity's Relentless Pull


Black Holes: Gravity's Relentless Pull. Information, virtual journeys, and simulations about black holes from the Space Telescope Science Institute.

HubbleSite: Black Holes: Gravity's Relentless Pull


Black holes are places where ordinary gravity has become so extreme that it overwhelms all other forces in the Universe. Once inside, nothing can escape a ...

Black Holes - National Geographic


Astronomers think the object shown in this Chandra X-ray Observatory image (in box) may be an elusive intermediate-mass black hole. Located about 32 million ...

Popular Q&A
Q: How to Paint a Black Hole.
A: 1. Study images of the different types of black holes we know exist. Use whatever drawings and images you can find to establish a concept for your drawing. Choo... Read More »
Source: www.ehow.com
Q: How to Study a Black Hole.
A: 1. Look for matter. Using images and data from the Hubble Space Telescope, you will see rings of gas and dust around a black hole. Depending on how big the blac... Read More »
Source: www.ehow.com
Q: How are black holes born?
A: A normal star is stable because the radiation pressure generated from its fusion reaction exactly cancels the gravitational force which wants to collapse the st... Read More »
Source: www.quora.com
Q: What is a Kerr black hole?
A: Kerr black holes are rotating black holes that are exact solutions of Einstein's equations and is a generalization of the. Schwarzschild Black Hole.  The new fe... Read More »
Source: www.quora.com
Q: What is the length of a black hole?
A: Zero. Read More »
Source: wiki.answers.com