In the huge, quiet theatre of the universe, 3I/ATLAS has gotten more attention than almost any other performer. Since it was found in July 2025, this interstellar nomad has been the subject of a lot of speculation. Some people think that its strange chemical signature and erratic movements are signs that it is an alien probe.
But when the traveler got closest to Earth on December 19, the most sensitive 'ears' of humanity turned towards the stars to settle the argument once and for all. The flyby, which took place 167 million miles (1.7 AU) from Earth, was the closest the object will ever get to our planet before it disappears into deep space forever.
