Glossary term: Galactic Bulge

Description: In the Milky Way the galactic bulge is the region around the galactic center, where stars are arranged in a less-flattened volume than in the surrounding disk-like region. The Milky Way's bulge component contains mostly old stars but with an admixture of young stars. Other spiral galaxies contain central bulges of diverse extent.

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Term and definition status: This term and its definition have been approved by a research astronomer and a teacher

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