Quote Originally Posted by Animeniax
Another question would be, minus the sun, would Superman's reserve of stored energy last as long as Goku's energy reserves? If Goku used up a lot of energy fighting Superman before deciding to remove the sun (or transport them to a place with no yellow sun), Superman would still probably have the energy to defeat a depleted Goku.
Depends on his sensu-beans and spirit bomb gathering.

Planets without a sun are pretty damn cold. I'm not sure Goku would be able to fight or function in a place like that.