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Earth and the Universe
by James Kaler
Available on: Audio Download
In this lecture Professor James Kaler puts Earth in perspective within the solar system, the galaxy, and the whole universe.
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Stephen Hawking Asks Big Questions About the Universe
by Stephen Hawking
Available on: Video Download | Online Video
In keeping with the theme of TED2008, professor Stephen Hawking asks some Big Questions about our universe -- How did the universe begin? How did life begin? Are we alone? -- and discusses how we might go about answering them.
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The Birth and Death of Stars
by Walter Lewin
Available on: Online Video
We know that some stars exist because we can see them with our own eyes. In this lecture Walter Lewin provides illuminating evidence of stars we cannot see.
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Introduction to Astrophysics
by Josh Bloom
Available on: Audio Download
This course covers the Milky Way galaxy, star formation and the interstellar medium, galaxies, black holes, quasars, dark matter, the expansion of the universe and its large-scale structure, and cosmology and the Big Bang.
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Neil deGrasse Tyson: The Pluto Files
by Neil deGrasse Tyson
Available on: Audio Download | Online Video
Neil deGrasse Tyson, the bestselling author and director of the world-famous Hayden Planetarium, chronicles America's irrational love affair with Pluto, man's best celestial friend.
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The Universe is a Strange Place
by Frank Wilczek
Available on: Online Video
Perhaps the universe is not so much strange as brimming with lovely paradox. The search for such beauty seems to lie at the heart of Frank Wilczek’s work.
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What is a Star?
by James Kaler
Available on: Audio Download
Professor James Kaler shares his genuine awe and lifelong fascination with the stars in this opening lecture. He describes what a star and provides info about our closest star, the Sun.
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Earth in Its Final Century?
by Sir Martin Rees
Available on: Online Video
Speaking as both an astronomer and "a concerned member of the human race," Sir Martin Rees examines our planet and its future from a cosmic perspective. He urges action to prevent dark consequences from our scientific and technological development.
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David Christian: Big History
by David Christian
Available on: Audio Download | Online Video
Backed by stunning illustrations, David Christian narrates a complete history of the universe, from the Big Bang to the Internet, in a riveting 18 minutes.
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Neil DeGrasse Tyson: Death by Black Hole
by Ryan Wyatt
Available on: Audio Download | Online Video
Neil DeGrasse Tyson discusses Death by Black Hole .
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