| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| Tool of reflection or refraction:ECO PESTLE | telescope | $400 | DJ | ASTRONOMICAL ANAGRAMS | 2023-06-07 | #8888 | |
| China now has the world's largest one of these telescopes; it's basically a dish antenna a third of a mile across | a radio telescope | $600 | J | ASTRONOMY | 2018-02-20 | #7702 | |
| In 1937 in Wheaton, Illinois, Grote Reber built the first one of these telescopes using a parabolic dish | a radio telescope | $800 | DJ | ASTRONOMY | 1999-04-23 | #3380 |