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

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

Wisconsin Fireball Caught On Tape

(PhysOrg.com) -- A rooftop webcam at the University of Wisconsin-Madison captured the final seconds of a fireball's Wednesday, April 14 descent into the atmosphere. A fireball is a meteor, or "shooting star," ...

Apr 16, 2010
4.7 / 5 (15) 8 | with audio podcast

NASA Spacecraft Falling For Mars

(PhysOrg.com) -- Launched in September of 2007, and propelled by any one of a trio of hyper-efficient ion engines, NASA's Dawn spacecraft passed the orbit of Mars last summer. At that time, the asteroid belt ...

Feb 13, 2009
4.3 / 5 (12) 2