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NEOWISE—a yearlong look at the sky

NASA's Near-Earth Object Wide-field Survey Explorer (NEOWISE) spacecraft discovered and characterized 40 near-Earth objects (NEOs) in the first year after the mission was re-started in December 2013. Eight of the discoveries ...

dateJan 20, 2015 in Space Exploration
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Dawn delivers new image of Ceres

(—As NASA's Dawn spacecraft closes in on Ceres, new images show the dwarf planet at 27 pixels across, about three times better than the calibration images taken in early December. These are the first in a series ...

dateJan 19, 2015 in Space Exploration
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Will we mine asteroids?

It's been said that a single asteroid might be worth trillions of dollars in precious rare metals. Will we ever reach out and mine these space rocks? How hard could it be?

dateJan 09, 2015 in Space Exploration
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Asteroids: Breaking up is hard to do

(—Hundreds of thousands of asteroids are known to orbit our Sun at distances ranging from near the Earth to beyond Saturn. The most widely known collection of asteroids, the "main belt," contains some of the largest ...

dateDec 29, 2014 in Space Exploration
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Vesta is not an intact protoplanet

Nearly forty years ago, Guy Consolmagno was young graduate student at the University of Arizona's Department of Planetary Sciences; his work there with the late Michael Drake first proposed that asteroid Vesta was the parent ...

dateDec 16, 2014 in Space Exploration
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