365 billion days, in astronomy Crossword Clue

The Clue from today's Jonesin Crosswords puzzle is: "365 billion days, in astronomy".
Let's first find the mentioned hints in the crossword puzzle and then gather all the relevant details needed to get the correct answer to the "365 billion days, in astronomy" clue. With this, we will then list down the possible answers obtained for the "365 billion days, in astronomy" clue.

Best Answer: EON
Crossword Date2 January 2018

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