China Sets Up 'Planetary Defense' Unit Over 2032 Asteroid Threat
YR4 has a small chance of hitting Earth in 2032, and China is preparing to deter it by mirroring a U.S. space test.
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An asteroid could hit Earth in 7 years. Here's how astronomers are tracking it
Over the next several weeks, astronomers will be looking closely at an asteroid called 2024 YR4 that could be as big as a ...
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How do astronomers track asteroids that could threaten Earth?
Over the next several weeks, astronomers will be looking closely at an asteroid called 2024 YR4 that could be as big as a ...