Hellenica World

Disc galaxy

The Sculptor Galaxy (NGC 253)

Disc galaxies are galaxies which have discs, a flattened circular volume of stars. These galaxies may, or may not include a central non-disc-like region (central bulge).

Disc galaxy types include

  • spiral galaxies
    • barless spiral galaxies (type S, SA)
    • barred spiral galaxies (type SB)
    • intermediate barred spiral galaxies (type SAB)
  • lenticular galaxies (type E8, S0, SA0, SB0, SAB0)

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