Home / Science / Interstellar Comet 3I/ATLAS Approaches Earth, Poses No Threat
Interstellar Comet 3I/ATLAS Approaches Earth, Poses No Threat
28 Oct
Summary
- 3I/ATLAS, an interstellar comet, will make its closest approach to Earth on October 29, 2025
- Astronomers confirm the comet poses no danger as it will pass at a safe distance of 167 million miles
- 3I/ATLAS displays unique features, offering a rare chance to study an object from another star system

As the interstellar comet 3I/ATLAS approaches Earth, astronomers are preparing for a rare cosmic event. On October 29, 2025, the object will make its closest approach, passing about 167 million miles from our planet. Fortunately, scientists have confirmed that 3I/ATLAS poses no danger and will remain at a safe distance.
The comet's unique behavior and composition have intrigued astronomers worldwide. 3I/ATLAS has been observed firing a massive jet toward the Sun, displaying features that differ from regular comets. This suggests the object may carry valuable data about other star systems, offering a valuable opportunity to learn more about interstellar objects and their origins.
Discovered in July 2025, 3I/ATLAS is the third confirmed interstellar object to enter our solar system, following 'Oumuamua in 2017 and 2I/Borisov in 2019. Unlike comets that orbit the Sun repeatedly, this one follows a hyperbolic trajectory, meaning it will only pass once before exiting into deep space forever. Astronomers believe 3I/ATLAS was ejected from another star system millions of years ago, and its brief appearance allows them to study how comets form in other regions of the galaxy.




