Related Clues:
- Look before you __
- Alternative power
- Word with ''Lambeau'' or ''quantum''
- Word with ''quantum''
- Acknowledge 2/29?
- Word with ''frog'' or ''year''
- Word before panel or plexus
- Bookish
- Hurdle
- Leave the ground, in a way
- A type of energy
- Event celebrated in this puzzle, and an example of how the theme works
- Like the Julian calendar
- Alternate form of energy
- '... one giant ___ for mankind'