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There was no reason for alarm, as a NASA engineer called it "one of the closest approaches by a known near-Earth object ever recorded." It was only 2,200 miles above the Earth's surface.
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NASA says a spacecraft that plowed into a small, harmless asteroid millions of miles away last month succeeded in shifting its orbit. 鈥淭his mission shows that NASA is trying to be ready for whatever the universe throws at us,鈥 NASA Administrator Bill Nelson said Tuesday.
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The Hubble and Webb space telescopes captured this week's asteroid strike, as NASA's Dart spacecraft slammed into the Dimorphos asteroid in the first planetary defense test of its kind. NASA on Thursday released pictures of the dramatic event.
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NASA is about to launch the first mission of its new planetary defense office. A spacecraft will attempt to knock a small asteroid off course by ramming into it.