This printable crossword puzzle has 10 clues. Answers range from 4 to 17 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
What was Carl Sagan's field of study?
What was the name of Sagan's most watched show in history?
In which university did Sagan become director of laboratory for planetary studies?
Sagan worked here for several years.
Sagan discovered the reason why __________ has high temperatures.
Sagan received a ________________ for his hard work.
A main topic Sagan wrote about in his books.
Sagan helped NASA understand the seasonal changes of ______.
Sagan was an anti-nuclear _________.
Sagan helped choose where the _______ probes would touch down on Mars.