关于这张图
This oblique image from NASA's Mars Reconnaissance Orbiter, of part of the North Polar layered deposits, acquired in the summertime, shows both phenomena in the upper and lower panel, plus a topographic bend in the middle panel. Blue areas in this enhanced color image are covered by frost, whereas the darker colors are from differences in contamination and texture of the icy layers. In geology, an unconformity is a buried erosion surface, where the bedding layers don't match. It doesn't mean a mismatch in attitudes and beliefs, with rebellious behavior like streaking. But Mars does have strea…
