How Close Could A Person Get To The Sun And Survive?

image credit: NASA
Of all the bodies in our solar system, the sun is probably the one we want to give the widest berth. It gushes radiation, and even though its surface is the coolest part of the star, it burns at about 9,940°F, hot enough to incinerate just about any material. At what distance would a person want to turn back? You can get surprisingly close.