NASA’s SPHEREx Examines Comet 3I/ATLAS’s Coma
Credit: Rafael Alanis
Description These observations by NASA’s SPHEREx (Spectro-Photometer for the History of the Universe, Epoch of Reionization and Ices Explorer) show the infrared light emitted by the dust, water, organic molecules, and carbon dioxide contained within comet 3I/ATLAS’s coma. The comet brightened significantly during the December 2025 period when SPHEREx made the observations — about two […] The post NASA’s SPHEREx Examines Comet 3I/ATLAS’s Coma appeared first on NASA Science .