Crossword clues for Carl, the astronomer:SAGANAmerican astronomer CarlSAGANNOTSTIRREDAstronomer Carl feeling apathetic?SAGANCosmos astronomer CarlSAGANAstronomer CarlSAGANAstronomer Carl ___SAGANLate astronomer CarlSAGANCarl, the astronomer