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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.


Related category

   • GALAXIES