| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| Geodesy is a scientific branch concerned with the exact shape & size of this | the Earth | $800 | DJ | SCIENCE | 1995-10-06 | #2550 | |
| The mean distance of this planet from the Sun is one astronomical unit | the Earth | $100 | J | SCIENCE | 1992-10-09 | #1860 |