The Galactic year is the time it takes Earth's solar system to revolve once around the galactic center. It comprises roughly 230 million Earth years.
Other articles related to "galactic year, years, galactic years, galactic":
... The following list assumes that 1 galactic year is approximately 225 million years ... about 60 galactic years ago Big Bang about 59 galactic years ago Birth of the Milky Way 20 galactic years ago Birth of the Sun 16 galactic years ago Oceans appear ...
... large-scale time scale is millions of years (megaannum or Ma) ... measure the time it takes for the solar system to revolve once around the galactic core (GY - not to be confused with Gyr for gigayear), approximately ...
Famous quotes containing the words year and/or galactic:
“In another year Ill have enough money saved. Then Im gonna go back to my hometown in Oregon and Im gonna build a house for my mother and myself. And join the country club and take up golf. And Ill meet the proper man with the proper position. And Ill make a proper wife who can run a proper home and raise proper children. And Ill be happy, because when youre proper, youre safe.”
—Daniel Taradash (b. 1913)
“In sci-fi convention, life-forms that hadnt developed space travel were mere prehistoryhorse-shoe crabs of the cosmic sceneand something of the humiliation of being stuck on a provincial planet in a galactic backwater has stayed with me ever since.”
—Barbara Ehrenreich (b. 1941)