Lyot is a large peak ring crater in the Vastitas Borealis region of Mars, located at 50.8° north latitude and 330.7° west longitude within the Ismenius Lacus quadrangle. It is 236 km in diameter. Its
Viking Orbiter 2 mosaic
Wide view of channels in Lyot crater, as seen by HiRISE unser HiWish program
Curved channel in Lyot crater, as seen by HiRISE under HiWish program
Channels in Lyot as seen by HiRISE
Deuteronilus Mensae is a region on Mars 937 km across and centered at. It covers 344°–325° West and 40°–48° North. Deuteronilus region lies just to the north of Arabia Terra and is included in the Ism
Lyot (Martian crater)
…water (i.e. surface pressure and temperature are above the triple point of water; see Section 3) may occur during its lifetime. To the south are the Deuteronilus Mensae, and further to the southeast are Protonilus Mensae. To the west is the smaller Micoud crater, and to the east-southeast is Moreux crater. Research…
High-center polygons, as seen by HiRISE under HiWish program Image is of the top of a debris apron in Deuteronilus Mensae.
Close up of field of high center polygons with scale, as seen by HiRISE under HiWish program Note: the black box is the size of a football field.
Close-up of high center polygons seen by HiRISE under HiWish program Note: the black box is the size of a football field.
Close-up of high center polygons seen by HiRISE under HiWish program Troughs between polygons are easily visible in this view.