- #1
Zaphodx57x
- 31
- 0
I have a problem that asks for the surface density of starlight at 8 kpc for a particular spiral galaxy.
I have all the information to calculate surface brightness. Does "surface density of starlight" mean "surface brightness", or are these completely different things?
I have all the information to calculate surface brightness. Does "surface density of starlight" mean "surface brightness", or are these completely different things?