New Research Reveals That Interstellar Comet 3I/ATLAS Formed in a System Far Colder Than Our Own
Astrobitica
April 23, 2026 (Last updated: April 23, 2026) 1 minute read
The interplanetary comet 3I/ATLAS is remarkably rich in a specific type of water that contains deuterium, meaning it came from somewhere colder and with lower levels of radiation than our early Solar System.