View Full Version : The Thick Disk: Galactic Construction Project or Galactic Rejects?

2010-Sep-10, 09:20 PM
The disk of spiral galaxies is comprised of two main components: The thin disk holds the majority of stars and gas and is the majority of what we see and picture when we think of spiral galaxies. However, hovering around that, is a thicker disk of stars that is much less populated. This thick disk [...]

More... (http://www.universetoday.com/73308/the-thick-disk-galactic-construction-project-or-galactic-rejects/)