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“Who Says Pluto is not a Planet?!”: A Lecture by Terry Jones, 9/14/06

September 14, 2007IASEvents0

In August, the International Astronomical Union’s General Assembly adopted a new definition of “planet” that excludes Pluto, leaving our solar system with only eight planets. Why demote Pluto? Just what makes a planet? Professor Terry Jones will untangle the planetary politics of the IAU’s decision.

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