We’re mere days away from mysterious interstellar object 3I/ATLAS making its closest approach to Earth before it speeds back out of the solar system, never to be seen again. 3I/ATLAS reached perihelion on October 29, coming within 126 million miles of the Sun. “With a larger misalignment angle, it could have featured prominent gaps in activity as its base exits the dayside and enters the nightside of 3I/ATLAS,” Loeb explained. 3I/ATLAS’ Sunward anti-tail didn’t disappear after it reached its closest point to the Sun, adding to the mystery. More on 3I/ATLAS: 3I/ATLAS Still Showing Strange Protrusion as It Approaches Earth