| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| Discovered in the '60s and '70s, Cygnus X-1 was the first of these light-trapping gravitational bodies to be identified | black holes | FJ | ASTRONOMY | 2023-09-27 | #14 | ||
| In 1967 what were called "Schwarzschild Singularities" were renamed this | Black holes DD | $500 | J | ASTRONOMY | 1999-09-15 | #3453 | |
| In 1916 Karl Schwarzschild demonstrated that very massive bodies could become these "dark" objects | black holes | $600 | DJ | ASTRONOMY | 1993-02-10 | #1948 |