3I/ATLAS Discovery

Interstellar Comet 3I/ATLAS Has Cold, Ancient Origins

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April 30, 2026 • 72 views
Original source: Sky & Telescope

The most recent interstellar visitor was crisscrossing our galaxy for some 10 to 12 billion years before it came near the Sun. The post Interstellar Comet 3I/ATLAS Has Cold, Ancient Origins appeared first on Sky & Telescope.

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