ONE BILLION YEARS, TO AN ASTRONOMER Crossword Clue
ONE BILLION YEARS, TO AN ASTRONOMER Crossword Clue
We know 1 solutions for: ONE BILLION YEARS, TO AN ASTRONOMER
Crossword Puzzle Infos
The term 'One Billion Years, to an Astronomer' can be summarized as 'EON', which is a three letter word. An EON is a very long period of time in astronomy and geology, typically lasting hundreds of millions or billions of years. It is the largest division of geological time and is subdivided into eras.