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