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Astronomers have discovered another puzzling interstellar object—this third one is big, bright and fast
Astronomers manning an asteroid warning system caught a glimpse of a large, bright object zipping through the solar system late on July 1, 2025. Subscribe to our newsletter for the latest sci-tech ...
(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Current measurements estimate that 3I/ATLAS is about 12 miles (20 kilometers) wide, ...
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