☄️ 3I/ATLAS Update : It Just Got Brighter and Bluer Than the Sun! The interstellar comet 3I/ATLAS just changed…fast. ☄️ As it reached perihelion on October 29, new data from NASA’s STEREO, SOHO, and GOES-19 satellites showed the object suddenly brightening and shifting to a bluer color than the Sun itself. Harvard astrophysicist Avi Loeb confirmed the change using fresh imagery taken between October 18–24, noting that ATLAS appears to be releasing higher-energy particles as it heats up near the