Is 3I/ATLAS an Extraordinary Interstellar Object? Harvard Astronomer Challenges Conventional Classification

Nov 18, 2025 08:31 pm CST

Harvard astronomer Avi Loeb questions the conventional classification of interstellar visitor 3I/ATLAS as a standard comet, highlighting its unusual chemical composition, massive size, and extraordinary jets extending toward the Sun. As it approaches Earth on December 19, scientists and amateur astronomers prepare for unprecedented observation opportunities that may reveal more about this mysterious object's true nature.