^ 5.05.1NASA (页面存档备份,存于互联网档案馆) quote: "Today's image location is slightly east of Monday's image. In this image the polar scarp (called Tenuis Rupes) bisects the image.
^ 7.07.1M. Massé; O. Bourgeois; S. Le Mouélic; C. Verpoorter; A. Spiga; L. Le Deit. Wide distribution and glacial origin of polar gypsum on Mars. Earth and Planetary Science Letters. 2012,. 317–318: 44–45. Bibcode:2012E&PSL.317...44M. doi:10.1016/j.epsl.2011.11.035.