Astronomers have discovered 3I/ATLAS, the third interstellar object identified in our solar system. Larger and brighter than previous interstellar visitors, 1I/'Oumuamua and 2I/Borisov, 3I/ATLAS is estimated to be 15 kilometers in diameter. Its hyperbolic orbit confirms its origin outside our solar system. While posing no threat to Earth, its cometary nature and size offer valuable insights into the formation of other star systems. The discovery highlights advancements in astronomical detection capabilities, suggesting more interstellar objects will be found in the future.

Prepared by Olivia Bennett and reviewed by editorial team.