A ‘city-killer’ asteroid might hit Earth — how worried should we be?

Dubbed 2024 YR4, the asteroid was first spotted on Dec 27, 2024, by the El Sauce Observatory in Chile. Based on its brightness, astronomers estimate it is between 130 and 300 feet (40-90 meters) wide.

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This handout picture provided by NASA on January 31, 2025 shows asteroid 2024 YR4 as observed by the Magdalena Ridge 2.4m telescope at the New Mexico Institute of Technology on January 27, 2025. PHOTO: AFP

February 3, 2025

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