Archive | Planets

Ep. 2: In Search of Other Worlds

Look down at your feet. There… you’re looking at a planet. Now look into the night sky and you should be able to spot a few more. After that, spotting additional planets becomes really hard, especially when you’re trying to find them orbiting other stars. This week we discuss the techniques astronomers use to locate […]

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Ep. 1: Pluto’s Planetary Identity Crisis

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. Download Episode 1: Pluto’s Planetary Identity Crisis (12.6 MB)

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