Created 18-Jan-09
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A galaxy is a massive, gravitationally bound system that consists of stars and stellar remnants, an interstellar medium of gas and dust, and an important but poorly-understood component tentatively dubbed dark matter. The name is from the Greek root galaxias, meaning "milky," a reference to the Milky Way galaxy. Typical galaxies range from dwarfs with as few as ten million stars up to giants with one trillion stars, all orbiting the galaxy's center of mass.

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M31 The Great Andromeda Galaxy

M31 The Great Andromeda Galaxy

M33

M33

M101 the Pinwheel Galaxy

M101 the Pinwheel Galaxy

The Leo Trio

The Leo Trio

M33

M33

M51

M51

M51 reprocessed

M51 reprocessed

Guestbook for Galaxies
Jeff Dionne(non-registered)
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