'It Snuck Up On Us': A 'City-Killer' Asteroid Just Missed Earth And Scientists Almost Didn't Detect It In Time
Alan Duffy was confused. On Thursday, the astronomer's phone was suddenly flooded with calls from reporters wanting to know about a large asteroid that had just whizzed past Earth, and he couldn't figure out "why everyone was so alarmed."
July 26, 2019 at 09:34PM
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