| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| In astronomy, this unit of measure is abbreviated pc | parsec | $1,000 | J | SCIENCE | 2006-03-13 | #4956 | |
| Abbreviated "pc", it's a unit of distance used in astronomy equal to 3.21 light years | Parsec | $1,000 | DJ | SCIENCE | 1990-02-01 | #1254 |