| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| The curved path along which a planet travels under the influence of a gravitational field | Orbit | $600 | DJ | PHYSICS | 1990-05-31 | #1339 | |
| Term for the path of an electron around a nucleus or a planet around the Sun | an orbit | $600 | DJ | PHYSICS | 1989-12-11 | #1216 |