Are Superman fans blind and lack the ability to comprehend? Superman was being charged by the sun's rays before he even went into that first HEALTHY sun, he was in that sun amping FAR longer than the others and common sense along with supermans path tells the readers that it was more than 6 or 7 suns and he was amped beyond measure. Hints.. Healthy sun's.. cells glowing... White hot.. ALL layed out for the readers to understand.