An asteroid with a tiny chance of striking Earth in 2032 is triggering planetary defense planning
YR4 might force NASA to plan the first-ever space mission to push an asteroid away from Earth. Most likely, though, it's a ...
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“City Killer” Asteroid: NASA Tracks 2024 YR4 and Its Potential Threat
Spotted by the Asteroid Terrestrial-impact Last Alert System (ATLAS) on December 27, 2024, the asteroid is estimated to be ...