Galaxy Wallpaper

Awesome Galaxy Art Wallpapers - Incredible Illustrations - Star Photo Gallery Free !

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 billion stars to giants with one hundred trillion stars, each orbiting its galaxy's center of mass.

Galaxy and Space Images HD - Digital Wallpapers in High Definition !

pproximately 170 billion galaxies exist in the observable universe. Most of the galaxies are 1,000 to 100,000 parsecs in diameter and usually separated by distances on the order of millions of parsecs (or megaparsecs).

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The best artistic images of Galaxy , Supernova , Sky , Black Hole of all!



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