Uncategorized
The interstellar comet 3I/ATLAS, discovered over Chile in July 2025, may be more than 7.6 billion years old — roughly 3 billion years older than our solar system — and its speed and trajectory suggest it came from the Milky Way’s ancient thick-disk population, making it a possible relic of a planetary system that formed billions of years before ours
A visitor from the galaxy's dawn may have just arrived, carrying secrets about planetary systems that formed when the universe was young.
