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4 large asteroids, including a skyscraper-size 'city killer,' will zoom past Earth in a 12-hour span tomorrow (Oct. 24)
A quartet of particularly hefty asteroids ... making it the largest of the four, will reach a minimum distance of 2.8 ...
2 'potentially hazardous' asteroids will streak by Earth this week, one as big as a mountain. You can watch it live.
2011 UL21 is one of the largest asteroids to have recently passed near Earth, Masi wrote in a press statement. With an ...
Forbes7mon
Two Huge Asteroids Are Approaching Us; One Among The Largest Near Earth
Eric Mack is a reporter covering science, sustainability and space. A pair of asteroids are set to make close passes by the Earth this week, and both are unusually large for visitors to the ...