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 ...
... large-scale time scale is millions of years (megaannum or Ma) ... the solar system to revolve once around the galactic core (GY - not to be confused with Gyr for gigayear), approximately 250 Ma, yields some easily memorizable numbers ...
Famous quotes containing the words year and/or galactic:
“You must not pity me because my sixtieth year finds me still astonished. To be astonished is one of the surest ways of not growing old too quickly.”
—Colette [Sidonie Gabrielle Colette] (18731954)
“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)