Galaxy wallpaper

Galaxy Wallpapersun 6 Galaxy wallpaper

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Galaxy wallpaper

A galaxy is a gravitationally bound system of stars, stellar remnants, interstellar gas, dust, and dark matter. The word galaxy is derived from the Greek galaxias, literally “milky”, a reference to the Milky Way. Galaxies range in size from dwarfs with just a few hundred million (108) stars to giants with one hundred trillion (1014) stars,each orbiting its galaxy’s center of mass.

https://en.wikipedia.org/wiki/Galaxy

 

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