What Does GA Stand For?
GA stands for Billion Years Unit
GA, or Billion Years Unit, is a measurement of time commonly used in fields such as geology and astronomy to indicate durations or ages of geological events, evolutionary phases, or cosmological phenomena. One GA represents one billion years, facilitating the understanding of vast timescales in Earth’s history and the universe.
Added on 14th April 2008 | Last edited on 17th June 2025 | Edit Acronym