Crossword Puzzle Clue Answers
We've seen 1 answer for the crossword clue '1 billion years, in astronomy' in our database. It has been used in 1 crossword, the latest of which was the Netword crossword on September 29, 2017.
Crossword answers for the clue "1 billion years, in astronomy"
- EON
Related Clues
- Long time
- Phanerozoic, for instance
- Waiting period, seemingly
- Long, long time
- One billion years, in geology
- Quite a while
- Age
- Forever, or close to it
- Lots of time
- Interminable time
- A billion years
- One billion years
- Years on end
- Seemingly forever
- Years and years
- Ages
- Time in history
- Centuries and centuries
- Immeasurable period
- Loooong wait
Last Seen In
- Netword - September 29, 2017