News tagged with asteroid belt

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Dawn approaches asteroid Vesta

After three and a half years years of thrusting silently through the void, NASA's Dawn spacecraft is on the threshold of a new world. It's deep in the asteroid belt, less than 4 months from giant asteroid ...

dateApr 08, 2011 in Space Exploration
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Can WISE find the hypothetical 'Tyche'?

(PhysOrg.com) -- In November 2010, the scientific journal Icarus published a paper by astrophysicists John Matese and Daniel Whitmire, who proposed the existence of a binary companion to our sun, larger than ...

dateFeb 22, 2011 in Astronomy
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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 ...

dateMay 07, 2010 in Astronomy
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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 ...

dateMay 05, 2010 in Space Exploration
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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," ...

dateApr 16, 2010 in Space Exploration
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