The short amount of time between the spotting of the object and its near intersection with Earth is a good reminder that humans don’t know every object that could come hurtling out of space and collide with our planet.
“Visitors frequently ask me if I worry about the NEOs that I measure,” wrote Dr. P. Clay Sherrod of the Arkansas Sky Observatories, on a forum thread discussing the asteroid. “My response: ‘I don’t worry about those that we keep up with…. I am more concerned about the ones we never see coming.”
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Close call on this one
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