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Black hole

en.wikipedia.org/wiki/Black_hole

A black hole is a region of spacetime exhibiting such strong gravitational effects that ..... from the ergosphere with more energy than they entered. This energy is taken from the rotational energy ...

What Is a Black Hole? | NASA

www.nasa.gov/audience/forstudents/5-8/features/nasa-knows/what-is-a-black-hole-58.html

Stellar black holes form when the center of a very massive star collapses in upon itself. This collapse also causes a supernova, or an exploding star, that blasts ...

How does a black hole form? - Articles - StarDate's Black Hole ...

blackholes.stardate.org/resources/faqs/faq.php?p=black-hole-formation

A black hole forms when any object reaches a certain critical density, and its gravity causes it to collapse to an almost infinitely small pinpoint. Stellar-mass black ...

What causes a black hole to form?

www.houghtonmifflinbooks.com/booksellers/press_release/studentscience/quiz/13a.shtml

Answer: D (a large star's core collapses to become so dense that its gravitational pull keeps light from escaping) black hole An extremely dense celestial object ...

www.ask.com/youtube?q=What Causes Black Holes?&v=8grTbzAo0PA
Nov 20, 2012 ... Black holes are created when a large star collapses under the force of ... Some stars are even bigger than that, causing the birth of black holes.

Black Holes: Facts - Space.com

www.space.com/15421-black-holes-facts-formation-discovery-sdcmp.html

Apr 9, 2015 ... Black holes are some of the strangest and most mysterious objects in the ... effects would cause the event horizon to act much like a wall of fire, ...

How Do Black Holes Form? - Universe Today

www.universetoday.com/33454/how-do-black-holes-form/

Sep 27, 2013 ... Black holes are the most exotic and awe inspiring objects in the Universe. Take the mass of an entire star. Compress it down into an object so ...

When black holes meet—inside the cataclysms that cause - Phys.org

phys.org/news/2016-02-black-holes-meetinside-cataclysms-gravitational.html

Feb 12, 2016 ... Each interaction tends to cause the black hole binary to shrink, while the whole binary simultaneously gets a forward kick, which is usually ...

How are black holes formed? - Quora

www.quora.com/How-are-black-holes-formed-1

Their thought is that for small mass black holes, rather than sucking all the mass in, the mass becomes gravitationally binded, causing the mass to orbit the black ...

Do supermassive black holes cause galaxy rotation? (Advanced ...

curious.astro.cornell.edu/about-us/86-the-universe/black-holes-and-quasars/general-questions/424-do-supermassive-black-holes-cause-galaxy-rotation-advanced

Jun 27, 2015 ... If a black hole is in the center of our galaxy, could it be the source of the rotation of the galaxy and if so, if it is acreeting matter could this mean ...

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Black Holes - NASA Science

science.nasa.gov

Apr 19, 2016 ... Don't let the name fool you: a black hole is anything but empty ... Intense X-ray flares thought to be caused by a black hole devouring a star.

How is a black hole created? - Hubble Space Telescope

hubblesite.org

A common type of black hole is produced by certain dying stars. A star with a mass greater than about 20 times the mass of our Sun may produce a black hole at ...

Creation of Black Holes - Black Holes and Wormholes - The Physics ...

www.physicsoftheuniverse.com

The ripples in space-time caused by two black holes orbiting around each other - typically in a three-leaved clover shape or more complex multi-pass ...