PBS Space Time

Is Pluto a Planet?

2019 • E30    Sep 23, 2019    19m
You know what a planet is, right? A big round thing that orbits a star. Uh, not so fast. The surprisingly vicious debate over the planetary status of Pluto has given us a fascinating glimpse into what a scientific definition really is. And perhaps the word planet is too vague to be used as a scientific definition at all.

Where to Watch PBS Space Time - 2019 • E30

Cast of Is Pluto a Planet?

  • Matthew O’DowdSelf - Host

 

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