PPT Slide
Spiral galaxies, containing a lot of gas, could not have evolved from elliptical galaxies
Spiral galaxies can still form stars in their disks, but not in their halos/bulges
Giant Elliptical Galaxies are located near the center of Galaxy Clusters result of galactic cannibalism?
Dwarf galaxies are probably the most common
Irregular galaxies, containing large amounts of gas, may undergo bursts of star formation