Meet the Third Ever (!!) Interstellar Comet

A rare visitor from another star system has been spotted: the interstellar comet 3I/ATLAS! It was detected July 1 by the NASA-funded Asteroid Terrestrial-impact Last Alert System, or ATLAS. Most known comets orbit the Sun and are bound by the gravity of the solar system ... but this object came from far beyond the pull of our Sun, traveling 137,000 miles per hour from another star. Now, scientists are racing to get a good image of it, in the hopes it can answer big questions like: What is the universe like where this comet is from? Is the solar system we live in unique? Want us to cover more space news? Tell us by emailing [email protected]! We'd love to know what you want to hear from us.Listen to every episode of Short Wave sponsor-free and support our work at NPR by signing up for Short Wave+ at plus.npr.org/shortwave.See pcm.adswizz.com for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences.NPR Privacy Policy

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