In the outer reaches of our solar system lies a mysterious region far more remote and difficult to explore than the Australian outback. It remains the only part of our solar system not visited by spacecraft. Called the Kuiper ...
Astronomy
Jan 12, 2011
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(PhysOrg.com) -- The extraterrestrial rock is tumbling through space alongside thousands of similar objects in our solar system's main asteroid belt, roughly between the orbits of Mars and Jupiter.
Space Exploration
Dec 21, 2010
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Last January astronomers thought they had witnessed a fresh collision between two asteroids when images from the NASA/ESA Hubble Space Telescope revealed a bizarre X-shaped object at the head of a comet-like trail of material.
Astronomy
Oct 13, 2010
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Take a cursory look at the moon, and it can resemble a pockmarked golf ball. The dimples and divots on its surface are testament that our satellite has withstood a barrage of impacts from comets, asteroids and other space ...
Space Exploration
Sep 16, 2010
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(PhysOrg.com) -- The asteroid belt between Mars and Jupiter is often depicted as a dull zone of dead rocks with an occasional wayward speedster smashing through on its way toward the sun.
Space Exploration
Aug 25, 2010
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Let the countdown begin. NASA's Dawn spacecraft is less than one year away from giant asteroid Vesta.
Space Exploration
Aug 20, 2010
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The European spacecraft Rosetta performed a fly-by of a massive asteroid, the European Space Agency said, taking images that could one day help Earth defend itself from destruction.
Space Exploration
Jul 11, 2010
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A billion-euro (1.25-billion-dollar) European spacecraft will get up close and personal with an asteroid this Saturday as the probe blasts through the Solar System on its way to rendezvous with a comet.
Space Exploration
Jul 7, 2010
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(PhysOrg.com) -- Engineers are studying the reaction wheels on NASA's Dawn spacecraft after automatic sensors detected excess friction building up in one of them and powered it off early on the morning of June 17, 2010. Reaction ...
Space Exploration
Jun 30, 2010
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(PhysOrg.com) -- Deep in the heart of the asteroid belt, on its way to the first of the belt's two most massive inhabitants, NASA's ion-propelled Dawn spacecraft has eclipsed the record for velocity change produced by a spacecraft's ...
Space Exploration
Jun 8, 2010
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