Related Clues:
- Something to keep out of a microwave
- Goblin Cock's genre
- Def Leppard's genre
- Coin composition
- What a detector may find
- Steel or silver
- Krypton or Vulcan
- Genre for 17-Across
- One of these can be found reading counterclockwise somewhere in each concentric ring
- Earth is one
- Mars or Jupiter
- Mercury, e.g.
- Mercury or Mars
- Microwave's foil?
- Kent's paper