Spectroscopic measurements of interstellar comet 3I/ATLAS by JWST during Dec 2025 imply that it may be a preserved fragment of an ancient planetary system formed ~12 billion years ago.
This estimate ...
A more detailed commentary and analysis on the story of the age of interstellar comet 3I/ATLAS by Ethan Siegel @nprofile1q...
https://bigthink.com/starts-with-a-bang/3i-atlas-older-solar-system/
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https://bigthink.com/starts-with-a-bang/3i-atlas-older-solar-system/
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