Galaxy Zoo Talk
by rohwer
What causes the blue halo?
Posted September 11, 2012 10:07 PM
by vrooje admin, scientist
Blue is usually from more recently-formed stars.
This image appears to be centered on one of the intensely star-forming regions of IC 2520.
Posted September 11, 2012 10:27 PM
Cool
Posted September 11, 2012 10:28 PM