Galaxy Classification
Galaxies are clouds of stars. They range in shape from spherical, through lens shaped, to flattened disks.
Most disk shaped galaxies have spiral arms.
Hubble's Classification of Galaxies
Michael Gallagher, 3rd July 2000
Galaxies are clouds of stars. They range in shape from spherical, through lens shaped, to flattened disks.
Most disk shaped galaxies have spiral arms.
Hubble's Classification of Galaxies