JWST Detects Ancient, Unique Chemical Composition in Interstellar Comet

AI-generated NewsSnap summary based on source reporting.
Published: 2026-06-23
Category: science
Source: India Today
Original source

The James Webb Space Telescope has observed interstellar comet 3I/ATLAS, revealing a chemical makeup distinct from comets originating within our solar system. Analysis of its released gases and dust indicates exceptionally high deuterium levels. These findings suggest the comet is approximately 10 billion years old and formed in an extremely cold environment, predating our Sun.

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