YR4: everything to know about the potential "city killer" space rock that has a 2.3% chance of striking Earth on Dec. 22, ...
The estimated flight path of an asteroid the size of Big Ben’s tower will see it pass over some of the world’s most populous ...
YR4 has a 1-in-43 chance of impacting the Earth in 2032, potentially causing localized damage and potentially wiping out a ...
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