3I ATLAS Facts and FAQS - NASA Science Discovery Comet 3I ATLAS was discovered by the NASA-funded ATLAS survey telescope in Rio Hurtado, Chile, and reported to the Minor Planet Center on July 1, 2025 The ATLAS (Asteroid Terrestrial-impact Last Alert System) survey telescope is part of NASA's planetary defense network that continually watches the skies to keep us safe The comet is named 3I ATLAS because it is the third (3
3I ATLAS - Wikipedia 3I ATLAS, also known as C 2025 N1 (ATLAS) and previously as A11pl3Z, is an interstellar comet [17][18] discovered on 1 July 2025 by the Asteroid Terrestrial-impact Last Alert System (ATLAS) station
Comet 3I ATLAS - NASA Science Comet 3I ATLAS is the third known object from outside our solar system to be discovered passing through our celestial neighborhood Astronomers have categorized this object as interstellar because of the hyperbolic shape of its orbital path
Comet or Alien Spaceship? What We Know About 3I Atlas Confirmed as a comet, 3I Atlas is one of only three interstellar objects we’ve detected entering our solar system Northeastern’s Jacqueline McCleary breaks down what makes it special and what we can learn from it