A 7-Billion-Year-Old Ice Ball Just Entered Our Solar System
A mysterious, ice-rich comet named 3I/ATLAS has entered our solar system — and it may be the oldest comet ever observed. Estimated to be over 7 billion years old, this…
A mysterious, ice-rich comet named 3I/ATLAS has entered our solar system — and it may be the oldest comet ever observed. Estimated to be over 7 billion years old, this…