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CBS News
4 large asteroids, including 1 the size of a skyscraper, speed past Earth
Four large asteroids will make their closest approaches to Earth on Thursday, each passing by the planet within a 24-hour time frame. Two had already zipped past early in the morning, according to NASA's Jet Propulsion Laboratory. But the remaining celestial objects on track to follow suit were set to make their appearances — albeit not literally, at least from the viewpoints of skywatchers on the ground — later on in the day. Although Thursday's routes do mark the closest recorded Earth approaches to date for these asteroids, their paths are still quite far away, too distant for any human to...
4 days ago