The asteroid, around 100 feet in diameter, is speeding toward our planet at about 22,000 miles per hour, according to NASA.
The space rock has a 4.3% chance of striking the Moon in six years—and it could generate a flash nearly as bright as Venus.
NASA hopes to accelerate the launch of a mission with SpaceX known as Crew 12 after 4 other astronauts on a previous mission ...
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