关于这张图
This photomosaic of Triton, assembled from 14 individual frames, shows the great variety of its surface features. At the bottom of the image are remnants of the south polar cap, containing 'dark' streaks generally aligned towards the northeast (upper right in the image). Even though these are darker than other features on Triton, they reflect nearly ten times as much light as the surface of the Earth's moon. North of the cap, in the western (left) half of the disk is the region which has been informally dubbed the 'cantaloupe' terrain. Small dimples with upraised rims and shallow central …
