goddard space flight center
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NASA Scientists: A Lot More Dangerous Comets Exist Than We Thought
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Scientists Have Predicted When Earth Will Be Hit By An Extinction-Level Asteroid
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Asteroid Threat Has Scientists So Scared They're Considering 'Backing-Up' Life On Earth
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NASA Found 10 'Potentially Hazardous Asteroids' Last Year
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'Surprise' Asteroid Gets Scary Close To Earth 12 Days After Discovery
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Here's What An $8.8 Billion Space Telescope Actually Looks Like
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NASA Now Knows Why Mars Became Uninhabitable
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NASA Finds Mysterious Connection Between Extinction Of Dinosaurs And Mars
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Is This The Mars Rover's Best Evidence For Water On Mars Yet?
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Obama Rejects NASA's Plan To Protect Earth From Asteroids
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NASA's $8.8 Billion Telescope Is Almost Done -- 7 Years Behind Schedule
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NASA Space Telescope Just Went To Testing -- 7 Years Behind Schedule