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| Carl Sagan
| Character Information
Carl Sagan was an astronomer.
Carl Sagan was included in one of El Barto's Rebus puzzles.
Carl Sagan is an element Cs in Lisa's Table of Geeky Delights.
- Comic story – Bart's Fun Pages!
- Book – Lisa Simpson's Guide to Geek Chic (mentioned)
The Simpsons characters