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Science-Fiction Adventure in the Far Future
Galaxy
Astronomy

Astronomical term for a large aggregation of stars. Our galaxy includes 400,000,000,000 stars; the 80,000 systems of Charted Space are only a portion of one spiral arm.

Astronomers estimate that Reference (Core) is 8,500 parsecs from the galactic core; the galaxy has a diameter of 60,000 parsecs.

Refs: HIWGg