solar system visitor
Mysterious Interstellar Comet 3I/ATLAS Shows Unusual Acceleration and Color Change Puzzling Scientists
Nov 10, 2025 03:01 pm CST
Scientists worldwide are studying 3I/ATLAS, the third known interstellar visitor to our solar system, which has exhibited puzzling behaviors including unexpected acceleration, a shift to blue coloration, and the disappearance of its tail. Discovered in July by a Chilean telescope, the comet will make its closest approach to Earth in December at a safe distance of 269 million kilometers, with NASA and ESA continuing to track its journey toward Jupiter through 2026.
Mysterious Interstellar Comet 3I/ATLAS: Why October 29 Perihelion Could Reveal Its True Nature
Oct 27, 2025 06:41 pm CST
On October 29, the enigmatic interstellar object 3I/ATLAS reaches perihelion, displaying baffling characteristics including an anti-solar tail, industrial chemicals, and behavior that has led some scientists to question whether it's natural or artificial. While NASA confirms it poses no threat to Earth, multiple space telescopes are tracking this mysterious visitor to determine its true origins and composition.