Galaxy Formation

• When and how do E/S0/Sa galaxies form?

  • What is the orbital make-up of E/S0s?
  • What is the average age?
  • What is the average metal content?
  • Origin of substructures; e.g. faint disks in Es, decoupled cores, etc.
  • E ¥ S0 ¥ Sa transformations?