Clue: Astronomically long time
We have 1 possible answer for the clue Astronomically long time which appears 1 time in our database.
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- Long historical episode
- Long stretch of time
- About a billion years
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- Mind-boggling time
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- About 525 trillion minutes, in astronomy
- Uncountable years
- Astronomical time span
- Umpteen years
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- 365 billion days, geologically