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normal spiral galaxy
astronomy
Also known as: ordinary spiral galaxy
Learn about this topic in these articles:
type of galaxy
- In galaxy: Spiral galaxies
…divided into two parallel classes: normal spirals and barred spirals. The normal spirals have arms that emanate from the nucleus, while barred spirals have a bright linear feature called a bar that straddles the nucleus, with the arms unwinding from the ends of the bar. The nucleus of a spiral…
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