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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 ...... merging black holes. On 24 September 2015 the LIGO gravitational wave observatory made the first-ever s...

What is a black hole made of? | - About Space

www.spaceanswers.com/deep-space/what-is-a-black-hole-made-of/

Sep 5, 2013 ... We know that matter falling into black holes is no different from the matter which can be found lurking around the rest of the Universe. However ...

What are black holes made of? Scientists closing in on answer ...

www.csmonitor.com/Science/2013/1113/What-are-black-holes-made-of-Scientists-closing-in-on-answer

Nov 13, 2013 ... Astronomers have found evidence of nickel and iron in the jets emitted by a black hole, suggesting that the baryonic matter that we're all ...

What is a black hole made of? - Quora

www.quora.com/What-is-a-black-hole-made-of

Inside a black hole, nothing can hold together. At the "event horizon" then something traveling the speed of light can stay there, anything else falls in further.

How are black holes made? | Cool Cosmos

coolcosmos.ipac.caltech.edu/ask/230-How-are-black-holes-made-

Scientists think that black holes are created in places where matter gets extremely dense (where a huge amount of material is crammed into an extremely small ...

Dark Matter May Be Made of Primordial Black Holes - Space.com

www.space.com/33122-dark-matter-black-hole-connection.html

Jun 13, 2016 ... Could dark matter — the elusive substance that composes most of the material universe — be made of black holes? Some astronomers are ...

What is a Black Hole Made of? - NRAO Blogs

blogs.nrao.edu/askanastronomer/2016/01/10/what-is-a-black-hole-made-of/

HubbleSite - Reference Desk - FAQs - Hubble Space Telescope

hubblesite.org/reference_desk/faq/answer.php.id=56&cat=exotic

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 ...

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 universe. Billions of them ... The Black Hole That Made You Possible.

Is Dark Matter Made of Tiny Black Holes? - Space.com

www.space.com/23583-dark-matter-tiny-black-holes.html

Nov 14, 2013 ... Mysterious dark matter is probably not made up of moon-size black holes, a new study using data from NASA's planet-hunting Kepler ...

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What Is a Black Hole? | NASA

www.nasa.gov

Stellar black holes are made when the center of a very big star falls in upon itself, or collapses. When this happens, it causes a supernova. A supernova is an ...

What are black holes made of? | Reference.com

www.reference.com

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 ...

What are black holes made of? (Intermediate) - Curious About ...

curious.astro.cornell.edu

Jun 27, 2015 ... What is the type of matter that constitutes a black hole? Or is it matter at all? If the super dense material is continually being compressed where ...