A massive asteroid has safely passed Earth in the closest known flyby ever for a rock that large. The U.S. space agency, NASA, said the more than 45-meter asteroid passed within 28,000 kilometers of the planet on Friday -- closer than some satellites. The asteroid passed Earth just hours after a much smaller meteor exploded in the sky above Russia's Ural Mountains. NASA scientists warned last week about the asteroid, but said there was no chance the space rock would hit Earth. The ...
No comments:
Post a Comment