1) Stephen Hawking – Black Hole Time Travel
Uploaded on Jul 7, 2011
Stephen Hawking explains how we could use the extreme gravity of a black hole to travel to the future.
Into The Universe With Stephen Hawking – Time Travel
URL: http://www.youtube.com/watch?v=i0cVdPHOIxw
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2)Cosmic Journeys : When Will Time End?
Published on Sep 20, 2012
The answer to this question may depend on whether Stephen Hawking was right in his theory that describes how black holes shed mass and eventually decay. Time is flying by on this busy, crowded planet as life changes and evolves from second to second. At the same time, the arc of the human lifespan is getting longer: 67 years is the global average, up from just 20 years in the Stone Age.
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URL: http://www.youtube.com/watch?v=GOa2L8_IAnQ
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3) Why Mars Died, and Earth Lived
Published on Oct 13, 2012
This video explores the most basic question of all: why we explore space? Be sure to experience the visual spectacle in full HD, 1080P.
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URL: http://www.youtube.com/watch?v=oC31pqk9sak
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4) Cosmic Journeys : The Largest Black Holes in the Universe
Published on Sep 26, 2012
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 of something far more ominous. A breed of black holes that has reached incomprehensible size and destructive power. Just how large, and violent, and strange can they get?
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URL: http://www.youtube.com/watch?v=xp-8HysWkxw
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5) What Would Happen If You Fell into a Black Hole?
Uploaded on Jan 19, 2011
British astronomer Ian Morison describes a bleak, yet comical, prognosis should you happen to fall into a black hole. Dubbed “spaghettification” extreme gravitational forces would quickly stretch your body like spaghetti as the event horizon neared.
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URL: http://www.youtube.com/watch?v=gLMiJQXsmkc
