Black Holes

Monster Black Holes National Geographic - 2013 new documentary

Order: Reorder
Duration: 45:58
Updated: 20 Nov 2013

Monster Black Holes National Geographic - 2013 new documentary

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25 Crazy Facts About Black Holes

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Duration: 7:05
Updated: 11 Dec 2013

Tweet this video! - http://ctt.ec/baOaA Much like a black body in thermodynamics, a black hole is a region of space that pulls everything and prevents anything from escaping, even light. The reason it is called a "black" hole is because it sucks up all the light that hits its border and reflects nothing. Formed when an amply compact mass deforms space and time, a black hole has a defined surface known as the "event horizon" which marks the point of no return. Little is known about black holes but several scientists in history have developed their own theories about their properties and structures. Here is a list of 25 crazy facts about black holes. https://twitter.com/list25 https://www.facebook.com/list25 http://list25.com Check out the text version too! - http://list25.com/25-crazy-facts-about-black-holes/ Here's a preview: Gravitational time dilation is possible in black holes The size of a black hole has no limit The nearest black hole to the Earth is not actually near Black holes are suckers but they cannot suck up all There is a massive black hole at the center of the Milky Way galaxy Black holes eventually evaporate Black holes are not infinitely small Black holes are not funnel-shaped; they are spheres Black holes do spin Things get weird when they get near a black hole Getting near a black hole can kill anyone in horrible ways Black holes are not always black Black holes are not always dangerous Black holes can get big There are different kinds of black holes It was not Albert Einstein that discovered black holes Black holes can be very dense Black holes are noisy Nothing can escape the pull of a black hole Black holes create elements that make life possible Black holes do not only swallow but also spit Any matter can become a black hole The laws of physics break down at the center of a black hole There is no tunnel at the center of a black hole Black holes limit the number of stars

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Travel INSIDE a Black Hole

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Duration: 10:45
Updated: 20 Aug 2013

Black holes, light speed travel, and the center of the universe! Watch Numberphile discuss a "Googol": http://bit.ly/zUfoWo LINKS: All music by Jake Chudnow:...

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The Largest Black Holes in the Universe

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Duration: 24:59
Updated: 20 Aug 2013

Our Milky Way may harbor millions of black holes... the ultra dense remnants of dead stars. But now, in the universe far beyond our galaxy, there's evidence ...

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Inside Black Holes | Leanord Susskind

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Duration: 70:33
Updated: 24 Nov 2013

Leanord Susskind Stanford & KITP Aug 25, 2013 'Inside Black Holes' lecture given by Lenny Susskind at the KITP Blackboard Lunch. Coordinators: Raphael Bousso (UCB), Samir Mathur (OSU), Rob Myers (PI), Joe Polchinski (KITP), Lenny Susskind (Stanford) Scientific Advisor: Don Marolf (UCSB) Video can also be found here: http://online.kitp.ucsb.edu

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NASA Discovers Giant Black Holes On Accident

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Duration: 2:46
Updated: 13 Sep 2013

A powerful NASA telescope has found not one, but ten supermassive black holes. And it did so on accident! Trace explains what exactly black holes are and why the discovery is so awesome. Read More: About NuSTAR: The Nuclear Spectroscopic Telescope Array http://www.nustar.caltech.edu/about-nustar "The NuSTAR mission has deployed the first orbiting telescopes to focus light in the high energy X-ray (6 - 79 keV) region of the electromagnetic spectrum. Our view of the universe in this spectral window has been limited because previous orbiting telescopes have not employed true focusing optics, but rather have used coded apertures that have intrinsically high backgrounds and limited sensitivity." Catching Black Holes on the Fly http://www.jpl.nasa.gov/news/news.php?release=2013-270 "NASA's black-hole-hunter spacecraft, the Nuclear Spectroscopic Telescope Array, or NuSTAR, has "bagged" its first 10 supermassive black holes. The mission, which has a mast the length of a school bus, is the first telescope capable of focusing the highest-energy X-ray light into detailed pictures." NASA discovers 10 supermassive black holes ... by accident http://www.pbs.org/newshour/rundown/2013/09/nasa-discovers-10-supermassive-black-holeson-accident.html "These black holes hide in the center of galaxies, pulling in matter around them. As matter falls in, the supermassive black hole ejects a huge burst of X-ray radiation. That's what the NuSTAR telescope detected." Black Holes May Have Been Common in Early Universe http://www.space.com/21469-black-holes-common-early-universe.html "Black holes may have been abundant among the first stars in the universe, helping explain the origin of the supermassive monsters that lurk at the heart of galaxies today, researchers say." Black Holes: Facts, Theory & Definition http://www.space.com/15421-black-holes-facts-formation-discovery-sdcmp.html "Black holes are some of the strangest and most fascinating objects found in outer space. They are objects of extreme density, with such strong gravitational attraction that even light cannot escape from their grasp if it comes near enough." Watch More: Broadband in Space: http://www.youtube.com/watch?v=9r9UwF7fBOA Another Earth?: http://www.youtube.com/watch?v=Tqe14YJ9mwQ Space Food: http://www.youtube.com/watch?v=mxavDn270to ____________________ DNews is dedicated to satisfying your curiosity and to bringing you mind-bending stories & perspectives you won't find anywhere else! New videos twice daily. Watch More DNews on TestTube http://testtube.com/dnews Subscribe now! http://www.youtube.com/subscription_center?add_user=dnewschannel DNews on Twitter http://twitter.com/dnews Anthony Carboni on Twitter http://twitter.com/acarboni Laci Green on Twitter http://twitter.com/gogreen18 Trace Dominguez on Twitter http://twitter.com/trace501 DNews on Facebook http://facebook.com/dnews DNews on Google+ http://gplus.to/dnews Discovery News http://discoverynews.com

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Black Holes

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Duration: 43:27
Updated: 16 Aug 2013

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Black Holes - What Are They - Science Documentary

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Duration: 56:45
Updated: 27 Nov 2013

Black Holes - What Are They - Science Documentary

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Black Holes & Wormholes

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Duration: 44:28
Updated: 11 Dec 2013

A look at the mysteries of black holes and theories about the existence of other kinds of holes, such as "mini" or microscopic black holes that exist at the atomic level; "white holes" -- the opposite of black holes where matter is eject out; and "wormholes" -- gateways in hyperspace that connect points in space and time and possibly lead to other dimensions. A black hole is a region of spacetime from which gravity prevents anything, including light, from escaping. The theory of general relativity predicts that a sufficiently compact mass will deform spacetime to form a black hole. Around a black hole, there is a mathematically defined surface called an event horizon that marks the point of no return. The hole is called "black" because it absorbs all the light that hits the horizon, reflecting nothing, just like a perfect black body in thermodynamics. Quantum field theory in curved spacetime predicts that event horizons emit radiation like a black body with a finite temperature. This temperature is inversely proportional to the mass of the black hole, making it difficult to observe this radiation for black holes of stellar mass or greater. Objects whose gravity fields are too strong for light to escape were first considered in the 18th century by John Michell and Pierre-Simon Laplace. The first modern solution of general relativity that would characterize a black hole was found by Karl Schwarzschild in 1916, although its interpretation as a region of space from which nothing can escape was first published by David Finkelstein in 1958. Long considered a mathematical curiosity, it was during the 1960s that theoretical work showed black holes were a generic prediction of general relativity. The discovery of neutron stars sparked interest in gravitationally collapsed compact objects as a possible astrophysical reality. A wormhole, also known as an Einstein-Rosen Bridge is a hypothetical topological feature of spacetime that would be, fundamentally, a "shortcut" through spacetime. For a simple visual explanation of a wormhole, consider spacetime visualized as a two-dimensional (2D) surface. If this surface is folded along a third dimension, it allows one to picture a wormhole "bridge". (Please note, though, that this is merely a visualization displayed to convey an essentially unvisualisable structure existing in 4 or more dimensions. The parts of the wormhole could be higher-dimensional analogues for the parts of the curved 2D surface; for example, instead of mouths which are circular holes in a 2D plane, a real wormhole's mouths could be spheres in 3D space.) A wormhole is, in theory, much like a tunnel with two ends each in separate points in spacetime. There is no observational evidence for wormholes, but on a theoretical level there are valid solutions to the equations of the theory of general relativity which contain wormholes. Because of its robust theoretical strength, a wormhole is also known as one of the great physics metaphors for teaching general relativity. The first type of wormhole solution discovered was the Schwarzschild wormhole which would be present in the Schwarzschild metric describing an eternal black hole, but it was found that this type of wormhole would collapse too quickly for anything to cross from one end to the other. Wormholes which could actually be crossed in both directions, known as traversable wormholes, would only be possible if exotic matter with negative energy density could be used to stabilize them. (Many physicists such as Stephen Hawking, Kip Thorne, and others believe that the Casimir effect is evidence that negative energy densities are possible in nature.) Physicists have not found any natural process which would be predicted to form a wormhole naturally in the context of general relativity, although the quantum foam hypothesis is sometimes used to suggest that tiny wormholes might appear and disappear spontaneously at the Planck scale, and stable versions of such wormholes have been suggested as dark matter candidates. It has also been proposed that if a tiny wormhole held open by a negative-mass cosmic string had appeared around the time of the Big Bang, it could have been inflated to macroscopic size by cosmic inflation. The American theoretical physicist John Archibald Wheeler coined the term wormhole in 1957; however, in 1921, the German mathematician Hermann Weyl already had proposed the wormhole theory, in connection with mass analysis of electromagnetic field energy

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10 Mind-Bending Facts About Black Holes

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Duration: 2:48
Updated: 19 Aug 2013

10 Mind-Bending Facts About Black Holes They can tear the fabric of the universe asunder and destroy entire solar systems. Presenting 10 mind-bending facts a...

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Stephen Hawking's Black Holes and Beyond

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Duration: 53:32
Updated: 06 Aug 2013

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Hearts of Darkness: Black Holes in Space

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Duration: 116:12
Updated: 14 Aug 2013

May 19, 2010 Dr. Alex Filippenko (University of California, Berkeley) Black holes are regions of space where gravity is so strong that nothing, not even ligh...

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A Journey into a Black Hole

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Duration: 6:54
Updated: 17 Aug 2013

http://gplus.to/TonyDarnell http://facebook.com/SpaceFan Many Space Fans have been asking for more information about black holes, specifically, what would it...

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Stephen Hawking on black holes - Professor Stephen Hawkins

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Duration: 17:26
Updated: 18 Nov 2013

Stephen Hawking on black holes - Professor Stephen Hawkins Subscribe to the Guardian HERE: http://bitly.com/UvkFpD Highlights of a talk by Stephen Hawking, director of research at the Centre for Theoretical Cosmology within the University of Cambridge, covering black holes, M theory, the past and future, as well as lost bets. Hawking gave the talk at the Science Museum in London at the start of its exhibition on the Large Hadron Collider Click the Guardian for more on this article: http://www.theguardian.com/science/video/2013/nov/15/stephen-hawking-black-holes-video Click for more Guardian talks from the Science Museum: http://www.youtube.com/user/theguardian?sub_confirmation=1

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Supermassive Black Hole at the Center of the Galaxy

Order: Reorder
Duration: 31:33
Updated: 05 Nov 2013

Enjoy this updated, expanded version of our Cosmic Journeys episode. Feel the pull of the largest object in our galaxy, a supermassive black hole. Astronomers are discovering its properties by probing the objects that are buzzing around it at mind-boggling speeds. From a distance, our galaxy would look like a flat spiral, some 100,000 light years across, with pockets of gas, clouds of dust, and about 400 billion stars rotating around the galaxys center. Thick dust and blinding starlight have long obscured our vision into the mysterious inner regions of the galactic center. And yet, the clues have been piling up, that something important, something strange is going on in there. Astronomers tracking stars in the center of the galaxy have found the best proof to date that black holes exist. Now, they are shooting for the first direct image of a black hole.

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The Largest Black Holes in the Universe (VERSION ONE)

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Duration: 18:48
Updated: 19 Aug 2013

Watch the REVIVED and EXPANDED version of this video on: http://youtu.be/xp-8HysWkxw Meet the new record-holder for largest black hole in the universe.. so f...

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Why Black Holes are not Scary

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Duration: 7:48
Updated: 12 Aug 2013

Black holes are continuously publicized as harbingers of death, the most terrifying cosmic forces and the pure extracted essence of evilness. Unfortunately, ...

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Leonard Susskind on The Black Hole Wars

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Duration: 50:53
Updated: 12 Aug 2013

Leonard Susskind of Stanford University on The Black Hole Wars.

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Supermassive Black Hole [alternative live version] (Video)

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Duration: 3:35
Updated: 19 Aug 2013

2006 WMG Supermassive Black Hole [alternative live version] (Video)

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Birth of a Black Hole

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Duration: 25:01
Updated: 19 Aug 2013

It was one of the greatest mysteries in modern science: a series of brief but extremely bright flashes of ultra-high energy light coming from somewhere out i...

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Morgan Freeman Explains Black Holes and Hawking Radiation

Order: Reorder
Duration: 2:14
Updated: 17 Aug 2013

Black Holes are where the best model for describing space-time, General Relativity, breaks down. The reason? Because the equations tat describe a black hole ...

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Mysterious Black Holes

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Duration: 21:50
Updated: 17 Aug 2013

In the fold of our home galaxy, the Eagle Nebula is one of the richest of the great star nurseries. Intense stellar winds have sculpted a majestic castle of ...

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Muse Black Holes And Revelations Full Album.wmv

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Duration: 45:34
Updated: 19 Aug 2013

The Full Black Holes And Revelations Album :D 0:00 Take a Bow 4:35 Starlight 8:35 Supermassive Black Hole 12:05 Map of the Problematique 16:24 Soldier's Poe...

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Related Topics

Monster Black Holes National Geographic - 2013 new documentary

25 Crazy Facts About Black Holes

Travel INSIDE a Black Hole

The Largest Black Holes in the Universe

Inside Black Holes | Leanord Susskind

NASA Discovers Giant Black Holes On Accident

Black Holes

Black Holes - What Are They - Science Documentary

Black Holes & Wormholes

10 Mind-Bending Facts About Black Holes

Stephen Hawking's Black Holes and Beyond

Hearts of Darkness: Black Holes in Space

A Journey into a Black Hole

Stephen Hawking on black holes - Professor Stephen Hawkins

Make changes yourself !

Monster Black Holes National Geographic - 2013 new documentary

25 Crazy Facts About Black Holes

Travel INSIDE a Black Hole

The Largest Black Holes in the Universe

Inside Black Holes | Leanord Susskind

NASA Discovers Giant Black Holes On Accident

Black Holes

Black Holes - What Are They - Science Documentary

Black Holes & Wormholes

10 Mind-Bending Facts About Black Holes

Stephen Hawking's Black Holes and Beyond

Hearts of Darkness: Black Holes in Space

A Journey into a Black Hole

Stephen Hawking on black holes - Professor Stephen Hawkins

Supermassive Black Hole at the Center of the Galaxy

The Largest Black Holes in the Universe (VERSION ONE)

Why Black Holes are not Scary

Leonard Susskind on The Black Hole Wars