| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| This 2nd century astronomer's theories were the standard for 1,400 years | Ptolemy | $2,000 | DJ | ASTRONOMERS | 2008-11-24 | #5571 | |
| This Alexandrian astronomer discusses eclipses in book VI of his 2nd century work "Almagest" | Ptolemy | $1,000 | DJ | ASTRONOMY | 1999-04-23 | #3380 | |
| In the "Almagest", this 2nd century Greek astronomer suggested the Earth was the center of the universe | Ptolemy | $1,000 | DJ | ASTRONOMY | 1997-05-08 | #2934 |