
New
ScienceMore in Science→
Alien Comet 3I/ATLAS Reveals Extreme Deuterium Enrichment, Offering Clues to Distant Planetary Systems
Key Takeaways
- JWST's NIRSpec mapped deuterium in interstellar comet 3I/ATLAS.
- Comet contains over 30 times the deuterium of solar system comets.
- High deuterium indicates formation in extremely cold environment.
- Comet likely predates our Sun and solar system.
DE
DT Editorial Team··via phys.org