Teaching What a Planet Is: A Roundtable on the Educational Implications of the New Definition of a Planet
A quick review of the August 24, 2006, decision by the International Astronomical Union about how to define a planet in our Solar System is followed by commentary from planetary scientists and educators from various settings. A table of relevant dates and a list of useful resources are appended, and readers are invited to participate in the discussion.
Fraknoi, A. 2006, Astronomy Education Review, 5(2), p.226–244