| Answer | Crossword Clue |
|---|---|
| EON | One billion years, in astronomy |
| EON | A billion years, in astronomy |
| AEON | A billion years, in astronomy (Var.) |
| EON | One billion years in ONE? |
| EON | One billion years, in geology |
| EON | One billion years, in geologic time |
| Answer | Crossword Clue |
|---|---|
| EON | One billion years, in astronomy |
| EON | A billion years, in astronomy |
| AEON | A billion years, in astronomy (Var.) |
| EON | One billion years in ONE? |
| EON | One billion years, in geology |
| EON | One billion years, in geologic time |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.