关于这张图
The large sand sheet with surface dune forms seen in this VIS image is located on the complex floor of Rabe Crater. The sand is likely derived by erosion into the deposit that fills most of the crater floor, creating a pit which hosts the dunes. This crater morphology is unique to Rabe Crater. Rabe Crater is part of Noachis Terra. Orbit Number: 72201 Latitude: -43.5392 Longitude: 34.6572 Instrument: VIS Captured: 2018-03-25 04:53 https://photojournal.jpl.nasa.gov/catalog/PIA22501
