Help Settle An Argument?

Soldato
Joined
11 Apr 2003
Posts
4,329
Location
Notts
Hey all, was watching Total Recall last night with some of my friends, and when the planet was filled with oxygen, the sky turned blue, to which me and a friend thought would not happen.

However another friend said yes it would, oxygen would cause an ozone layer to form, and because oxygen has twice as many atoms as other things it causes the sunlight to refract in a way that turns the sky blue.

Now I could be mistaken, but I am thinking that the sky would remain the same colour.... Who would be right? Why?

Thanks!
Jcb33.
 
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