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Episode 111: Small Wonders

Play Jul 26•4:18

New details about some of the interesting smaller objects in the solar system are shedding some light on the "planet controversy." Astronomers have been trying to establish what constitutes a planet, taking size, orbit and other factors into consideration. One of the important objects astronomers have been studying is Eris, discovered in 2005. Astronomers suspected Eris was bigger than Pluto, ...

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