GIGAYEAR Crossword Clue
GIGAYEAR Crossword Clue
We know 1 solutions for: GIGAYEAR
Crossword Puzzle Infos
A gigayear is a unit of time equal to one billion years. It is commonly used in astronomy and geology to measure the age of the universe or the Earth. The term 'EON' is a three-letter word that is often used interchangeably with gigayear. An EON is a very long period of time, usually lasting millions or billions of years.