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Interstellar comet 3I/A dates back 4.6 billion years

The James Webb telescope reveals that comet 3I/A, the third identified interstellar visitor, dates back to the formation of the solar system.

Published 20sem1 sourceImportant
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Spectroscopic observations confirm its primitive composition, similar to Kuiper Belt objects.

This discovery sheds light on the initial conditions of our planetary system.

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Auto-synthesis from 1 media source · identified on June 26, 2026
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