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Earlier this summer, astronomers discovered something strange whizzing past Jupiter: an interstellar object. Scientists named it 3I/ATLAS. It’s only the third interstellar object ever observed, 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 analysis of Bennu samples that found stardust, the residue of ancient exploding stars, older than our solar system.
Earlier this summer, astronomers discovered something strange whizzing past Jupiter: an interstellar object. Scientists named it 3I/ATLAS. It’s only the third interstellar object ever observed, 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 analysis of Bennu samples 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 sciencefriday.com.
Subscribe to this podcast. Plus, to stay updated on all things science, sign up for Science Friday's newsletters.
Subscribe to this podcast. Follow our show on Instagram, TikTok, Facebook, and Bluesky @scifri and sign up for our newsletters. Got a science question that’s keeping you up at night? Call us: 877-472-4374
Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.
QUICK LINKS
This is an episodic podcast, so you can listen to it in any order, but episode one is a great place to start.
Listen to episode one hereEarlier this summer, astronomers discovered something strange whizzing past Jupiter: an interstellar object. Scientists named it 3I/ATLAS. It’s only the third interstellar object ever observed, 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 analysis of Bennu samples 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 sciencefriday.com.
Subscribe to this podcast. Plus, to stay updated on all things science, sign up for Science Friday's newsletters.
Subscribe to this podcast. Follow our show on Instagram, TikTok, Facebook, and Bluesky @scifri and sign up for our newsletters. Got a science question that’s keeping you up at night? Call us: 877-472-4374
Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.
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(Some shows do contain their own ads however).
At first I made this site for my kids, but like any dad I got a little over excited. I hope you find it as useful as they do.
Whether you want to listen to them together in the car, or alone in your room - the content is all safe for younger ears.
