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Sources3I/ATLASLisse 2026
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SPHEREx Re-Observation of Interstellar Object 3I/ATLAS in December 2025

C. M. Lisse, Y. P. Bach, S. A. Bryan, 2026. arXiv.

Dec 2025: much more active; H2O gas emission 40x brighter; water-ice absorption mostly gone; new CN, organic C-H, CO features.

MYS0DFPTE25MVWR · mystery · click to copyM3I/ATLASPreprint0

Cited by on this site 2 records

Cite it

Lisse, C. M., Bach, Y. P., & Bryan, S. A. (2026). SPHEREx Re-Observation of Interstellar Object 3I/ATLAS in December 2025. arXiv. https://arxiv.org/abs/2601.06759
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