Podcast: Pluto’s Planetary Identity Crisis

Article written: 14 Sep , 2006
Updated: 21 Dec , 2015
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Pluto. It’s a planet, then it’s not. This week we review Pluto’s history, from discovery to demotion by the International Astronomical Union. Learn the 3 characteristics that make up a planet, and why Pluto now fails to make the grade.

Astronomy Cast is a weekly podcast hosted by Fraser Cain from Universe Today, and Dr. Pamela Gay (of Slacker Astronomy fame). Each week we take a fact-based journey through the cosmos to explain the discoveries in astronomy, and understand how we know what we know.

Episode 1 – Pluto’s Planetary Identity Crisis

Click here to listen to the show.

Pluto’s Planetary Identity Crisis – Show notes and transcript

Or subscribe to the podcast at: astronomycast.com/podcast.xml

Here’s some information on Pluto.


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