Galaxy Video Wallpaper

Galaxy Video Wallpaper

Amazing live video of galaxy on your phone or tablet!

Spiral galaxies resemble spiraling pinwheels.

Though the stars and other visible material contained in such a galaxy lie mostly on a plane,

the majority of mass in spiral galaxies exists in a roughly spherical halo of dark matter

that extends beyond the visible component, as demonstrated by the universal rotation curve

concept.

Spiral galaxies consist of a rotating disk of stars and interstellar medium,

along with a central bulge of generally older stars. Extending outward from the

bulge are relatively bright arms.

The speed in which a galaxy rotates is thought to correlate with the flatness of the

disc as some spiral galaxies have thick bulges, while others are thin and dense.

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