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Asteroid 2024 YR4 Ruled Out as Earth Threat, but Moon Collision Remains Possible

New observations confirm no risk to Earth in 2032, while a 2% chance of a significant lunar impact offers unique scientific opportunities.

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Overview

  • Asteroid 2024 YR4, discovered in December 2024, no longer poses a threat to Earth, with a near-zero chance of impact in 2032.
  • Recent observations by the James Webb Space Telescope estimate the asteroid's size at 60 meters and confirm a 2% chance of a Moon collision.
  • A potential lunar impact could release energy equivalent to 8 megatons, comparable to the Tunguska event of 1908.
  • Scientists view the possible Moon collision as a rare opportunity to study the formation of a lunar crater in real-time.
  • Further observations using the James Webb Space Telescope are planned for May 2025 to refine the asteroid's trajectory and impact probabilities.