关于这张图
Range : 12 million km. ( 7.56 million miles) P-23057C & BW This Voyager 1 photograph of Titan, the largest of Saturn's 14 known satellites, shows little more than the upper layers of clouds covering the moon. The orange colored haze, is believed to be composed of photochemically produced hydrocarbons, hides Titan's solid surface from Voyager's camera. Some weak shadings in the clouds are becoming visible. However, note that the satellite's southern, lower, hemisphere is brighter than the northern. It is not known whether these subtle shadings are on the surface or are due to clouds below a hi…
