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, galactic years":
... The most common large-scale time scale is millions of years (megaannum or Ma) ... as a 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 250 Ma ...
... 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 ...
Famous quotes containing the words year and/or galactic:
“A year at the breast is quite enough; children who are suckled longer are said to grow stupid, and I am all for popular sayings.”
—Honoré De Balzac (17991850)
“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)