4 ways to track 3I/ATLAS without a telescope as it makes its closest approach to Earth tonight

Interstellar visitor 3I/ATLAS is travelling away from the sun on its way back to interstellar space.

Astrobitica December 18, 2025 (Last updated: December 18, 2025) 1 minute read

Interstellar visitor 3I/ATLAS is travelling away from the sun on its way back to interstellar space.

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