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Milky Way Galaxy, astrometrics

A depiction of the Milky Way Galaxy as seen in the astrometrics lab aboard USS Voyager

For additional meanings of "Galaxy", please see Galaxy.

A galaxy is a dense grouping of stars, held together by powerful gravitational attraction. Because of the extreme distance between galaxies, most of the lifeforms known to science were in Earth's home galaxy, the Milky Way. There was limited contact with objects, forces, and life from outside the Milky Way, however.

The mission insignia for Apollo 17 in the 20th century depicted a galaxy in the design. (ENT: "First Flight")

By 2266, it was estimated that three trillion galaxies existed in the universe. (TOS: "Balance of Terror")

List of galaxies

See also

External link

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