An Etymological Dictionary of Astronomy and Astrophysics

English-French-Persian

فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک



Galactic year
  سال ِ کهکشانی  
sâl-e kahkešâni (#)
Fr.: année galactique  

The time taken for the Sun to revolve once around the center of the Milky Way, amounting to about 220 million years.

See also:galactic; → year.