Crossword puzzle clue "astronomical periods"

Here are the possible solutions for astronomical periods clue

Answer
Clue
Relevancy
eons
Clue
Astronomical periods
Astronomical time periods
Definition
EON, a long period of time, also AEON
years
Clue
Astronomical periods
eon
Clue
Periods upon periods
Definition
a long period of time, also AEON
aeon
Clue
Astronomical unit
Astronomical measurement
Definition
the largest division of geological time, composed of several eras, also EON
almanac
Clue
Annual publication giving dates of astronomical and other events
Definition
a register of the days, weeks and months of the year, also ALMANACK
almanacs
Clue
Astronomical data providers
Definition
ALMANAC, a register of the days, weeks and months of the year, also ALMANACK

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