Spot something strange in the sky? Curious about the unexplained? You’re in the right place, AERA helps you document, share, and make sense of aerial mysteries, with real support and no judgment.
What Is 3I/ATLAS? 3I/ATLAS (also known as C/2025 N1 or A11pl3Z) is the third confirmed interstellar object discovered passing through our Solar System. It was first observed on July 1, 2025, by the ATLAS (Asteroid Terrestrial-impact Last Alert System) telescope in Chile. Its orbital characteristics, specifically a highly hyperbolic trajectory, prove it is not bound by the Sun’s gravity and originates from outside our Solar System.​ What Do We Know (Confirmed Facts)? Interstel
