The segments and the skin are separated by white stringy fibrous material called "pith". In most types of oranges, the skin can be peeled off the pith, and the segments can be pulled apart with the fingers to be eaten. In some oranges it is hard to take the skin off. Orange skin is often called "orange peel".
You're actually supposed to look for brown spots on the skin because they indicate a good quality orange. You should pick a sweet orange by examining the navel (the belly button of the orange). Choose the ones with the biggest holes.
Actually, use of the word 'orange' to describe a cross between red and yellow wasn't recorded until three hundred years after the fruit appeared in Europe. It's thought that oranges get their name from the Sanskrit word for fragrant – naranja.Aug 11, 2013
The international orange paint used on the Golden Gate Bridge is specially formulated to protect the bridge from the danger of rust from the moisture of the San Francisco fog that frequently rolls in from the Pacific Ocean through the Golden Gate to San Francisco Bay.