Asteroid grazes past Earth in 'critical' rehearsal
A house-sized asteroid grazed past Earth Thursday, passing harmlessly inside the Moon's orbit, as predicted, to give experts a rare opportunity to rehearse for a real strike threat in future.
A house-sized asteroid grazed past Earth Thursday, passing harmlessly inside the Moon's orbit, as predicted, to give experts a rare opportunity to rehearse for a real strike threat in future.
Space Exploration
Oct 12, 2017
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The house-sized asteroid 2012 TC4 is slated to give Earth a close shave on Thursday, October 12, swooshing by our planet at approximately 5:41 UTC (1:41 a.m. EDT) at a distance of about 31,000 miles (50,000 kilometers). Although ...
Space Exploration
Oct 10, 2017
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NASA's asteroid-chasing spacecraft swung by Earth on Friday on its way to a space rock.
Space Exploration
Sep 22, 2017
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The huge, nearly 400-meter-wide asteroid Apophis is still on a list of hazardous near-Earth objects (NEOs), regarded as a potential threat to the planet. However, new calculations made by NASA's Jet Propulsion Laboratory ...
Space Exploration
Aug 14, 2017
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A house-sized asteroid will shave past our planet on October 12, far inside the Moon's orbit but without posing any threat, astronomers said Thursday.
Space Exploration
Aug 10, 2017
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Lighter-toned bedrock that surrounds fractures and comprises high concentrations of silica—called "halos"—has been found in Gale crater on Mars, indicating that the planet had liquid water much longer than previously ...
Space Exploration
May 30, 2017
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The Moon is bombarded by so much space rock that its surface gets a complete facelift every 81,000 years, according to a study released Wednesday based on NASA data.
Space Exploration
Oct 12, 2016
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Sharks swim around a platform off Mexico's east coast as scientists drill deep into the ocean floor, extracting the remains of the asteroid widely blamed for the demise of the dinosaurs.
Earth Sciences
May 18, 2016
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The box was inconspicuous, but Lawrence Livermore National Laboratory (LLNL) postdoctoral researcher Megan Bruck Syal immediately knew its contents: two meteorites around the size of walnuts. They formed about 4.6 billion ...
Space Exploration
May 10, 2016
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After a comet for Halloween, another Earthly holiday will be marked by a visit from a celestial body—this time a large asteroid zipping past on Christmas Eve, astronomers said Thursday.
Space Exploration
Dec 17, 2015
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