PDA

View Full Version : The Case of the Missing Bulges



Fraser
2010-Sep-18, 09:00 PM
The Hubble sequence is astronomer’s main tool for classifying galaxies. On one side, you have elliptical galaxies with defined structure. As you progress, the galaxies become more stretched out, but still lack definition until suddenly, there’s a bulge in the center and spiral arms! Oh yeah, and then there’s the cousins that no one really [...]

More... (http://www.universetoday.com/73933/the-case-of-the-missing-bulges/)