Comet-hunting Rosetta films distant asteroid
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And snaps pics of Mars The comet-hunting spacecraft Rosetta has sent back its first sighting of the asteroid 21-Lutetia, one of two rocky bodies it will study en route to the comet 67p Churyumov-Gerasimenko. It will not get anywhere close to the rock for more than two years, but has already begun sending back preliminary data.â¦
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For the very first time, astronomers have witnessed the speeding up of an asteroid's rotation, and have shown that it is due to a theoretical effect predicted but never seen before.
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NASA SCIENTISTS are poised to blast a hole in a faraway comet to get a look at its innards. It&#39;s an innovative feat of scientific daring, but why not take a second shot at NASA itself?
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Collisions between comets may be kicking up copious amounts of dust observed around a dead star.
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These Hubble Space Telescope images of Vesta and Ceres show two of the most massive asteroids in the asteroid belt, a region between Mars and Jupiter. The images are helping astronomers plan for the Dawn spacecraftâs tour of these hefty asteroids.
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NASA is about to embark on an unprecedented asteroid-belt mission with a spacecraft aptly named Dawn.
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The European Space Agency's  Rosetta probe swooped around the back of Mars early on Sunday,  completing a key maneuver in its 10-year mission to meet a  distant comet.
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Toutatis, a mountain-sized asteroid, will today come the closest to the Earth since at least the 12th century, giving scientists an opportunity to gather data about it, NASA said on its Web site.
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A Nasa spacecraft set for launch on Thursday will explore the two biggest asteroids in the Solar System.
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STUNNING images have captured what astronomers call &quot;the graceful interactions of a galactic ballet, played out on a stage some 300 million light years away&quot;.
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At the world's largest radio telescope, astronomers searching for asteroids on a collision course with Earth are bracing for a more worldly threat: The steepest budget cuts and first layoffs since the observatory opened in 1963.
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Astronomers have observed an asteroid change the rate at which it spins for the first time, and shown that this is due to a theoretical effect predicted but never before seen.
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An unmanned &quot;tractor spacecraft&quot; could eventually be used to drag an asteroid off course before it slams into Earth with catastrophic consequences, experts have said.
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Jet Propulsion Lab -- A mountain-sized asteroid made its closest approach to Earth at 6:35 a.m. Pacific Time (9:35 a.m...
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The surface of one of the brightest stars in the night sky is imaged by scientists.
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Astronomers are hoping for a spectacular high-impact collision next month, as asteroid 2007 WD5 zooms toward Mars
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UK space scientists and engineers design a mission to investigate a potentially hazardous asteroid.