The
Milky Way Galaxy in which the
Sun dwells, in common with many other galaxies of similar type, consists of a large mass of
stars drawn by
gravitational forces into the form of a relatively flat disc. The disc is rotating, with the dense central body of stars moving at greater speeds than those towards the rim of the disc. As a result, the pattern of stars within the Galaxy as viewed from directly above or below the disc has formed into a spiral.
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