Despréz has a region of permanent shadow along its southern rim, which has a bright radar signature. This is interpreted to represent a deposit of water ice.[3][4]
References
^Moore, Patrick (2000). The Data Book of Astronomy. Institute of Physics Publishing.
ISBN0-7503-0620-3.
^"Desprez". Gazetteer of Planetary Nomenclature.
NASA. Retrieved 30 June 2012.
^PIA19411: Water Ice on Mercury, NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington
^John K. Harmon, Martin A. Slade, Melissa S. Rice, 2011. Radar imagery of Mercury’s putative polar ice: 1999–2005 Arecibo results. Icarus, 211, p37-50.
doi.org/10.1016/j.icarus.2010.08.007