Internet Encyclopedia of Science
GALAXIES
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disk galaxy


disk galaxy, NGC 5866
The disk galaxy NGC 5866, seen nearly edge-on
Credit: NASA, ESA, and The Hubble Heritage Team STScI/AURA
A galaxy with a prominent wide, thin disk of stars. This description applies to spiral galaxies (including barred spirals) and lenticular galaxies, but not to elliptical galaxies, dwarf spheroidals, and some peculiar galaxies.


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