Gy

From Wikipedia, the free encyclopedia
Jump to: navigation, search

GY, Gy, or gy may refer to:

Units of measurement[edit]

  • Gray (unit) (Gy), SI unit of absorbed radiation
  • Giga-year, 1,000,000,000 years (non-SI)
  • Galactic year, the time it takes for the solar system to orbit the galactic center

People[edit]

Places[edit]

Transport[edit]

Other uses[edit]