News tagged with asteroid belt

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The Edges of the Solar System

(PhysOrg.com) -- The solar system does not end abruptly past the planets. Beyond the orbit of Neptune, the outermost planet (it orbits the sun at a distance of 30 AU, where one AU is the average distance of ...

May 07, 2010
4.5 / 5 (24) 6 | with audio podcast

An Avalanche of Asteroids

Imagine you're a Brontosaurus with your face in a prehistoric tree top, munching on fresh leaves. Your relatives have ruled planet Earth for more than 150 million years. Huge and strong, you feel invincible. ...

Mar 29, 2010
4.7 / 5 (22) 10 | with audio podcast

How Capt. Kirk Changed the World

"Standard orbit, Mr. Sulu." Captain Kirk barks out the order with such confidence. He knows the USS Enterprise can slip in and out of planetary orbits with ease. But it's only easy in the realm of science ...

May 05, 2010
4.6 / 5 (21) 10 | with audio podcast