A big bright ball of hotness in the sky. Hated by pale people and world of warcraft players. Location? Go outside in the day time. Look up. You can't miss it.
So today i went outside and looked at the sun. I forgot to turn away, so i kinda' burnt my retinas.
That giant glowing ball of gas that is there for us all day, everyday, but we are not allowed to look at it.
Little Bobby: "Dad! look at the sun!"
Bobby's Dad: "No Bobby!"
Little Bobby's pupils then evaporated and he realized the true meaning of good and evil in the mortal world.
A nuclear bomb, when detonated, produces a flash of sunshine bright enough to blind people miles aways. Also, Nuclear fusion is the process that produces the energy needed to power the sun, while nuclear fusion is also what causes the nuclear bomb to explode.