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An Asteroid Just Streaked Over Antarctica, Becoming the Second Closest Flyby Ever Recorded

Learn how astronomers spotted 2025 TF, an asteroid that passed just 266 miles over Antarctica in early October 2025.
Space.com

Surprise asteroid flies by Earth at only 250 miles away (video)

The little space rock, called 2025 TF, safely passed within roughly 250 miles (400 km) of our planet on Tuesday (Sept. 30) at ...