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Featured Free Astronomy Titles


100 Best TED Talks
Motivational Speeches

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1 - 10 of 119 Titles
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1.
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.

2.
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?

3.
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.

4.
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.

5.
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.

6.
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.

7.
by Michio Kaku
Available on:
Online Video

What if we could find one single equation that explains every force in the universe?

8.
by Alex Filippenko
Available on:
Online Audio

A description of modern astronomy with emphasis on the structure and evolution of stars, galaxies, and the Universe.

9.
by Alex Filippenko
Available on:
Audio Download | Online Video

Alex Filippenko, explores some of the mysteries of the universe at a special lecture at the Santa Barbara Museum of Natural History. Filippenko discusses observations of very distant exploding starts called super-novae that provide intriguing evidence that the expansion of the universe is now speeding up.

10.
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.

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