https://www.iflscience.com/space/the-most-dangerous-asteroid-apophis-rediscovered-in-successful-test-of-detection-system/
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6/7/22 at 1:18pm
Organization
IFLScience
Author
Stephen Luntz
In a readiness test, scientists hid knowledge of infamous asteroid Apophis from their systems to see if it would be picked up during the 2020-21 close appr
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