SMRTR Science & EngineeringMar 11, 2026The Guardian

‘The moon is safe’: asteroid is not on collision course, scientists confirm

SMRTR summary

Scientists initially feared that asteroid 2024 YR4, discovered in December 2024, posed a 4.3% chance of hitting the moon in 2032, which could have created dangerous debris affecting Earth's satellites. Using the James Webb Space Telescope's exceptional sensitivity, astronomers tracked the extremely faint asteroid during brief observation windows in February and refined its trajectory calculations. The new observations confirm the 100-meter-wide asteroid will safely pass the moon at a distance exceeding 20,000 kilometers, eliminating collision concerns.

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