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Astronomy for All: What is a Planet?

  • One Tranquility Base
  • Huntsville, AL 35805-3399

In a world where the public still mourns the reclassification of Pluto and where kids still send letters of protest to the scientists responsible, we are compelled to take another look at the definition of a planet, a source of great debate among scientists even today. If the attributes of a “planet” cannot be unanimously agreed upon, then how can we use the word so casually here in the planetarium every day? Why is it so important to define the word “planet,” and what meaning does the word still carry, if any?

  • August 21, 2020
  • Location: One Tranquility Base, Huntsville, AL
  • Phone: (256) 837-3400
  • Time: Doors open at 6:15pm; Presentation begins at 7:00pm
Astronomy for All: What is a Planet?