PBS Space Time
Details
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.
- Genres: Documentary, Talk
- Language: English
Cast & Crew
- Cast:Matthew O’Dowd
- Creator:
- Producer:
