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NASA Revises Impact Risk for Asteroid 2024 YR4 After New Data

The asteroid's impact probability for 2032 has been adjusted from a peak of 3.1% to 1.5%, with further observations expected to refine its trajectory.

  • Asteroid 2024 YR4, discovered in December 2024, has an estimated size of 40 to 90 meters and could potentially impact Earth on December 22, 2032.
  • NASA's initial calculations raised the asteroid's impact probability to 3.1%, the highest ever for an object of its size, but subsequent observations have reduced it to 1.5%.
  • The asteroid's current risk rating on the Torino Scale is 3, signifying a close encounter that warrants continued monitoring by astronomers worldwide.
  • Most potential impact scenarios fall over water, but the 'risk corridor' includes major cities like Bogota, Lagos, and Mumbai, raising concerns about localized destruction.
  • Efforts to refine the asteroid's trajectory are ongoing, with telescopes like the James Webb Space Telescope and others gathering data to further lower the uncertainty.
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