August 27, 2025
The James Webb Space Telescope observed 3I/ATLAS, the third interstellar object detected in our solar system. Its coma is unusually rich in carbon dioxide with little water or carbon monoxide, suggesting a CO₂-rich core or an insulating crust. Findings raise new questions about its cosmic origin.
The James Webb Space Telescope observed 3I/ATLAS, the third interstellar object detected in our solar system. Its coma is unusually rich in carbon dioxide with little water or carbon monoxide, suggesting a CO₂-rich core or an insulating crust. Findings raise new questions about its cosmic origin.