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Monday, July 20, 2020
Comet Neowise is a dazzling sight, but it's also a reminder of how woefully unprepared we are for dangerous asteroids
A NASA telescope spotted Comet Neowise by sheer luck three months ago. If the comet were a killer asteroid, that may have been too late.
from Yahoo News - Latest News & Headlines https://ift.tt/3eC7l36
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