Rapid brightening of interstellar comet 3I/ATLAS as it nears sun surprises scientists
Astrobitica
October 31, 2025 (Last updated: October 31, 2025) 1 minute read
An interstellar comet that originated outside our solar system has just made its closest pass to the sun, brightening dramatically and rapidly as it did so. The reason for the sudden extreme activity is currently puzzling scientists.