Earlier this summer, astronomers discovered something strange whizzing past Jupiter: an interstellar object. Scientists named it 3I/ATLAS. It’s only the <a href="https://www.sciencefriday.com/segments/interstellar-object-bennu-samples-stardust/?utm_source=wnyc&utm_medium=podcast&utm_campaign=scifri" target="_blank">third interstellar object ever observed</a>, and it’s due to leave the solar system by the end of the year, so the race is on to learn as much as we can about it. Host Flora Lichtman talks with astrochemist Stefanie Milam about what this object could teach us about other solar systems—and ours.And, for the past two years, researchers have been studying samples from the near-Earth asteroid Bennu, trying to tease out details about its origins, and what they tell us about our solar system. Researcher Jessica Barnes describes a new <a href="https://www.sciencefriday.com/segments/interstellar-object-bennu-samples-stardust/?utm_source=wnyc&utm_medium=podcast&utm_campaign=scifri" target="_blank">analysis of Bennu samples</a> that found stardust, the residue of ancient exploding stars, older than our solar system.Guests: Dr. Stefanie Milam is an astrochemist at NASA and a project scientist for the James Webb Space Telescope. Dr. Jessica Barnes is an associate professor in the Lunar and Planetary Laboratory at the University of Arizona.Transcripts for each episode are available within 1-3 days at <a href="https://www.sciencefriday.com/segments/interstellar-object-bennu-samples-stardust/?utm_source=wnyc&utm_medium=podcast&utm_campaign=scifri" target="_blank">sciencefriday.com.</a><a href="https://pod.link/73329284" target="_blank">Subscribe to this podcast.</a> Plus, to stay updated on all things science, <a href="https://www.sciencefriday.com/newsletters/?utm_source=wnyc&utm_medium=podcast&utm_campaign=scifri" target="_blank">sign up for Science Friday's newsletters</a>.
<a href="https://pod.link/73329284" target="_blank">Subscribe to this podcast.</a> Plus, to stay updated on all things science,&nbsp;<a href="https://www.sciencefriday.com/newsletters/?utm_source=wnyc&utm_medium=podcast&utm_campaign=scifri" target="_blank">sign up for Science Friday's newsletters</a>.

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