1. Why does the man in the cartoon feel vindicated about skipping Pluto on his quiz? What recent developments is the cartoonist referring to?
2. What different criteria have been suggested for defining what a planet is? What definition did the International Astronomical Union decide upon?
3. Many people have strong reactions to the Pluto controversy. Why do you think people respond emotionally to this scientific issue? Does the cartoon hint at a reason for these emotional responses?
4. Do you agree or disagree with the new designation for Pluto? Explain your reasoning.
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