# Heavy hydrogen in 3I/ATLAS's methane points to a frigid birthplace

> **Open Intelligence Dossier** · First detected: 2026-11-02 00:20 UTC · Category: Science

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*Canonical Source: https://pulse.byoviral.com/trend/2026-11-02/heavy-hydrogen-in-3i-atlas-s-methane-points-to-a-frigid-birthplace*