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Last Days? How NASA Monitors Space For Events That Could End the World

Kate Sheridan
Last Days? How NASA Monitors Space For Events That Could End the World

About 17,000 undetected asteroids that are large enough to be a concern to NASA may be lurking near Earth, according to a recent report. Space weather does more than just create pretty auroras. It can also have real consequences for our power grids, communication and navigation satellites.