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Coma Physics of an Interstellar Object: JWST Spatial-Spectral Mapping of 3I/ATLAS

Nathan X. Roth, Martin A. Cordiner, Stefanie N. Milam, 2026. arXiv.

JWST 2025-12-22/23 at 2.37-2.41 au: CO most abundant; H2O and CO2 at (40.5+/-3.1)% and (41.6+/-0.3)% of CO; anisotropic apolar species.

MYS0DFPTE25MVWR · mystery · click to copyM3I/ATLASPreprint0

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Roth, N. X., Cordiner, M. A., & Milam, S. N. (2026). Coma Physics of an Interstellar Object: JWST Spatial-Spectral Mapping of 3I/ATLAS. arXiv. https://arxiv.org/abs/2603.20460
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