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Billion years, in astronomy Crossword Clue
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Here is the answer for the crossword clue Billion years, in astronomy last seen in Newsday puzzle. We have found 40 possible answers for this clue in our database. Among them, one solution stands out with a 98% match which has a length of 3 letters. We think the likely answer to this clue is EON.
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Crossword Answer For Billion years, in astronomy:
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40 Potential Answers:
| Rank | Answer | Length | Source | Date |
|---|---|---|---|---|
| 98% | EON Billion years, in astronomy | (3) | Newsday | Sep 1, 2017 |
| 84% | AEON A billion years, in astronomy (Var.) | (4) | ||
| 9% | EONS Billions of years | (4) | Universal | Sep 8, 2025 |
| 6% | LIGHTYEAR Unit of distance in astronomy (5,4) | (9) | Mirror Classic | Aug 27, 2025 |
| 6% | OLD On in years | (3) | Universal | Aug 4, 2025 |
| 6% | DARKMATTER Hypothetical substance in astronomy | (10) | ||
| 6% | URSA Major in astronomy? | (4) | Wall Street Journal | Jun 24, 2025 |
| 6% | OORT ___ cloud, in Astronomy | (4) | ||
| 5% | TERMS Divisions of a school year | (5) | The Telegraph Mini | Sep 10, 2025 |
| 5% | ANNUAL Once a year | (6) | USA Today | Sep 7, 2025 |
Last appeared together with the following clues in Newsday puzzle
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Your Crossword Clues FAQ Guide
In astronomy, a billion years is referred to as an "eon." Eons are vast expanses of time used to categorize the history of the universe. Understanding this term can help you navigate clues related to astronomical time scales in crossword puzzles.