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Asteroid 'YR4' Shifts Focus: Now Threatens the Moon

4/11/2025

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Summary

Story summary

The "City Killer" asteroid YR4, once thought to pose a danger to Earth in 2032, has been traced back to the asteroid belt between Mars and Jupiter. This unexpected origin raises new concerns as it may now threaten the Moon. With a rapid 20-minute rotation and a flattened shape, altering its path will demand immense force.

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Story summary

The "City Killer" asteroid YR4, once thought to pose a danger to Earth in 2032, has been traced back to the asteroid belt between Mars and Jupiter. This unexpected origin raises new concerns as it may now threaten the Moon. With a rapid 20-minute rotation and a flattened shape, altering its path will demand immense force.