Astronomer Sagan, author of “Cosmos”
Crossword clue · 1 known answers · 1 appearances · Last seen in the Eugene Sheffer crossword on January 14, 2026
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CARL
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The clue “Astronomer Sagan, author of “Cosmos”” has appeared 1 times in our database with 1 different answers, so count the squares in your grid and check the crossings before you commit. Most recently it ran in the Eugene Sheffer crossword on January 14, 2026, where the answer was CARL.
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