Astronomy Cast

Take a facts-based journey through the universe.


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13 Seasons and more than 500 episodes await.

Ep. 523: Judging Age & Origins, Pt. 2 Across the Solar System

Ep. 523: Judging Age & Origins, Pt. 2 Across the Solar System

Today we push our aging curiosity out into the Solar System to ask that simple question: how old is it and how do we know? What techniques do astronomers use to age...

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Bonus Episode: Dust with Dr. Paul Sutter

Bonus Episode: Dust with Dr. Paul Sutter

Recorded during the Astrotour to Costa Rica, Fraser talks to Dr. Paul Matt Sutter about the nature of dust and BICEP 2’s claim of discovering primordial gravitational waves.

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Ep. 522: Judging Age & Origins, part 1 – Earth Rocks

Ep. 522: Judging Age & Origins, part 1 – Earth Rocks

http://traffic.libsyn.com/astronomycast/AstroCast-190318.mp3Podcast: Play in new window | DownloadSubscribe: Android | RSSPeople always want to know how old everything...

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