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Featured Free Astronomy Titles


100 Best TED Talks
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1.
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.

2.
Available on:
Online Audio

Features highlights of the actual voices and sounds of the Apollo 13 mission during the most critical times of their near disaster in outer space.

3.
by Neil deGrasse Tyson
Available on:
Online Video

Ever wonder about the our vast, mysterious universe - but don’t have time to earn that PhD? Superstar scientist Neil deGrasse Tyson has come to the rescue with Astrophysics for People in a Hurry, the brilliantly witty guide you’ve been waiting for.

4.
by Neil deGrasse Tyson
Available on:
Online Video

Neil deGrasse Tyson, director of the Hayden Planetarium, and Jonathan McDowell, astrophysicist at the Harvard-Smithsonian Center, discuss NASA's Vision, the benefits and disadvantages of manned versus robotic missions, and whether we should be spending money on space-related projects instead of addressing needs here on earth.

5.
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.

6.
by Garrett Serviss
Available on:
Audio Download

Astronomy is known as the oldest of the sciences, and it will be the longest-lived because it will always have arcana that have not been penetrated.

7.
by Stephen Hawking
Available on:
Online Video

Stephen Hawking, Arthur C. Clarke and Carl Sagan (via satellite) discuss the Big Bang theory, God, our existence as well as the possibility of extraterrestrial life.

8.
by Neil deGrasse Tyson
Available on:
Online Video

Scientists have made astounding progress in their grasp of the universe. But what remains to be understood?

9.
Available on:
Online Video

Neil Armstrong, Apollo 11 Commander and first person to walk on the moon, guides us through the history of the National Aeronautics and Space Administration in the half-century since its establishment in 1958.

10.
by Stephen Hawking
Available on:
Online Video | Video Download

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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