NASA has released new images of 3I/Atlas, the comet that came from another solar system and will get closest to Earth on December 19. The comet could be anywhere from 1,444 feet across to 3.5 miles across, is moving exceptionally fast and is the third interstellar object to enter our solar system. Many questions have been raised about 3I/Atlas. Vlad Duthiers does a deeper dive into what we know about the comet – which is visible from Earth. #nasa #spac #comet #3iatlas | CBS News

Observation of Comet ISON (C/2012 S1), November 2024. Location: Azores, São Miguel Island. Telescope: Celestron AstroMaster 130AZ (Newtonian reflector). Captured with Xiaomi 14 Ultra. A huge thank you to #Celestron for making it possible to witness such rare and breathtaking cosmic events. Their telescopes open a window to the Universe — revealing wonders invisible to the naked eye and bringing the beauty of the cosmos closer than ever. | Мир глазами микроскопа

A comet from another star system is flying through ours. The comet, named 3I/ATLAS, is only the third known interstellar object ever observed in our solar system. First spotted in July 2025 by the ATLAS telescope in Hawaii, it didn’t take long for astronomers to realize it wasn’t from here. Its speed and trajectory made it clear: this comet came from deep space. At its closest point to the Sun – called perihelion – 3I/ATLAS was hidden from Earth’s view, blocked by the Sun. But Mars was perfectly

Comet SWAN Passes Earth Tomorrow - Tomorrow, a mysterious traveler from the edge of the solar system will pass by Earth. What makes Comet C/2025 R2 (SWAN) so special? How bright will it shine, and where can it be seen? According to the Comet Observation Database in Slovenia, its glow could already reach the naked eye. A brief cosmic moment, closer than you might think. | The Brain Maze