NASA issues major update on chances 'city-killer' asteroid has of hitting Earth in seven years
But after reaching the top of NASA's asteroid risk list, the chances of YR4, which is estimated to measure 130-300 feet ...
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The odds of a 'city-killer' asteroid hitting Earth have fallen to zero
After weeks at the top of the Sentry list at the Center for Near-Earth Object Studies, the asteroid 2024 YR4 is no longer ...