XR flew about 1.37 million miles (2.2M km) away from Earth. The space rock is estimated to be about 300-700 km (248-434 miles ...
as seen in chilling animations taking off online. The asteroid also has a 0.3% chance of hitting the moon as well. Despite the potential for devastation, Bolin claimed that he finds “YR4 to be ...
Lucy is preparing for a close encounter with the asteroid Donaldjohanson, a key milestone before its groundbreaking journey ...
NASA's Lucy spacecraft has its next flyby target, the small main belt asteroid Donaldjohanson, in its sights. By blinking between images captured by Lucy on Feb. 20 and 22, this animation shows ...
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