By dating nearly a quarter-million stars, astronomers were able to reconstruct the history of our galaxy—and they say it has lived an “enormously sheltered life.”
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Jul 31
Lewis, Clark and America’s first great science mission
In this episode of Science Quickly, Scientific American’s books and culture lead Bri Kane talks with historian Craig Fehrman about This Vast Enterprise, his fresh take on the Lewis and Clark expedition. Rather than focusing solely on the famous explorers, Fehrman highlights the o ... Show More
26m 19s
Nov 2021
How to make a Milky Way: the ultimate galactic recipe
<p>When our ancestors looked up into the night sky, they too saw a great, glimmering band of light splitting the darkness. In Southeast Asia, people called it “the Silver River.” In Southern Africa, “the Backbone of the Night.” And in the West, around 2,500 years ago, it earned t ... Show More
25m 38s
Oct 2024
Spiral Galaxy's Ancient Order, Earth's Mantle Mystery, and Hera's Asteroid Adventure
SpaceTime Series 27 Episode 125
*Discovery of the Most Distant Spiral Galaxy
Astronomers have identified the most distant spiral galaxy ever seen, named REBELS 25. This galaxy, observed as it was 13.1 billion years ago, challenges current models of galaxy formation with its order ... Show More
33m 2s
<p>How do we know the shape of our galaxy, since we're stuck in the middle of it?</p><p> </p> Learn more about your ad-choices at <a href="https://www.iheartpodcastnetwork.com">https://www.iheartpodcastnetwork.com</a><p>See <a href="https://omnystudio.com/listener">omnystudio.com ... Show More
<p>Daniel talks about how astronomers can measure or deduce the mass of a star, and why it controls its fate.</p><p> </p> Learn more about your ad-choices at <a href="https://www.iheartpodcastnetwork.com">https://www.iheartpodcastnetwork.com</a><p>See <a href="https://omnystudio. ... Show More