| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| Mercury is one dense planet, with this interior section making up 55% of its volume vs. 16% for Earth | the core | $400 | DJ | PLANETARY SCIENCE | 2021-10-22 | #8495 | |
| The sun's surface can reach 10,000 degrees; this part of the Earth can get even hotter | the core | $400 | DJ | PLANET EARTH | 2018-04-25 | #7748 |