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Starts With A Bang podcast

The Universe is out there, waiting for you to discover it.There’s a cosmic story uniting us.We’re determined to bring it to everyone.

Podcast · By Ethan Siegel · American English · Official site

Indexed episodes, last 90 days
3
Latest publication
Sep 5, 2026
Audience
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Earliest in this view
Jul 11, 2026

Latest episodes

  1. Episode · Sep 5, 2026

    Starts With A Bang #133 - The Milky Way's center (opens the original)

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    Here in our Universe, there are all sorts of places where stars are actively forming right now. Our galaxy is going through a relatively quiet phase at present as far as star-formation is concerned, but that rate was much higher in the past: perhaps 30 (or more) times higher than what it is today. If we want to understand what our galaxy was like earlier on, we have two ways to go about it: look farther away, which has the disadvantage that we can't really observe those places in such great deta

  2. Episode · Aug 8, 2026

    Starts With A Bang #132 - Space in the ultraviolet (opens the original)

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    Whenever you look at the Universe in a more powerful way than you ever have before, either in a new set of wavelengths, at higher sensitivity, on wider-field scales, or with novel capabilities, you open yourself up to a remarkable possibility. In addition to the "obvious" science gains that you'll achieve from finding more examples and revealing greater details about the types of objects and events you already know about, you also give the Universe an opportunity to surprise you: by finding thin

  3. Episode · Jul 11, 2026

    Starts With A Bang #131 - The Baryon Life Cycle (opens the original)

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    In order for stars to form, you need the right ingredients to make it happen: gravity, mass, time, and of course the right type of matter in the form of baryons. Shortly after the Big Bang, the Universe had plenty of them, but they were all very simple: protons, deuterons, helium-3 and helium-4 nuclei, and a tiny bit of lithium-7. These nuclei, made out of protons and neutrons, were all that the Universe gave us to work with prior to the formation of stars. But, in clumps of material small and l

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