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NASA spacecraft tracks comet SWAN in incredible 40-day timelapse — and even glimpses interstellar invader 3I/ATLAS (video)

NASA imaged Comet C/2025 R2 (SWAN) every four minutes for nearly 40 days, marking the longest any comet has been tracked with such frequency.

Astrobitica December 5, 2025 (Last updated: December 5, 2025) 1 minute read

NASA imaged Comet C/2025 R2 (SWAN) every four minutes for nearly 40 days, marking the longest any comet has been tracked with such frequency.

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