New Research Reveals That Interstellar Comet 3I/ATLAS Formed in a System Far Colder Than Our Own
Matthew Williams (https://www.universetoday.com/authors/houseofwilliams)
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.