NASA's cosmic mapmaker – SPHEREx – has joined the effort to learn more about the interstellar comet 3I/ATLAS ☄️ The infrared space telescope observed the comet earlier this month, providing more info about its size, physical properties, and chemical makeup. While Comet 3I/ATLAS doesn’t pose a threat to Earth, NASA's space telescopes help support our ongoing mission to find, track, and better understand solar system objects. Learn more: https://science.nasa.gov/blogs/3iatlas/ | NASA Jet Propulsio