presents

MERSENIUS
Directory - Section 51

BRIEF DESCRIPTION
A hilly region between the western edge of Mare Humorum and the western limb of the Moon. Clefts and rilles run parallel with the edge of Mare Humorum. Refer to your copy of the Antonin Rukl lunar atlas chart, page 129. Of particular interest is the crater de Gasparis, that is located in the southwest part of the Moon. It lies to the southwest of the crater Cavendish and south of Mersenius. The rim of de Gasparis is worn and eroded, and the interior has been flooded by basaltic lava. The surviving outer rim reaches a maximum altitude of about 0.8 km.This crater is notable for the formation of rilles that criss-cross the floor and the surrounding surface. This system of clefts in the surface is designated Rimae de Gasparis, and they span an area of about 130 kilometers in diameter. The rilles are thought to have been created due to tectonic faults deep below the surface. As they cut across de Gasparis, this indicates that they were formed after the crater.

wikispaces.com/R%C3%BCkl+51
Zone map page 129, Rukl Chart 51

EARTH-BASED TELESCOPIC IMAGES:  (Check Google using craters listed below)
ALL images from Google, including EBTAs

CRATERS IN THIS SECTION:
Billy, Rima
Cavendish, 56 km
de Gasparis, 30 km
Google images of de Gasparis
de Gasparis, Rimae
de Vico, 20 km
Fontana, 31 km
Henry, 41 km
Henry Freres, 42 km
Humorum, Mare
Liebig, 37 km
Liebig, Rupes
Mersenius, 84 km
Mercenius, Rimae
Palmieri, 41 km
Palmeiri, Rimae
Vieta, 87 km
Zupus, 38 km
Zupus, Rimae

LUNAR ORBITER IMAGES:
Lunar Orbiter Database
IV-149-H1

APOLLO IMAGES:
lpi.usra.edu/resources/apollo/ (Search the feature or crater)
Landing Sites Map

LRO Images:
commons.wikimedia.org/wiki/Category:Photos_of_the_Moon_by_Lunar_Reconnaissance_Orbiter

YOU TUBE VIDEOS:
None

LUNAR FLYOVERS:
No files found

Research Updates:
Mersenius (Lunascan)
Mare Humorum (NASA)
esa.int/Our_Activities/Space_Science/SMART-1/Tectonic_wrinkles_in_Crater_De_Gasparis (Techtonic Wrinkles In The Crater De Gasparis)
sci.esa.int/science-e/www/object/index.cfm?fobjectid=38981 (Crater de Gasparis, ESA/Smart-1)
lpi.usra.edu/resources/apollo/ (Search the feature or crater for reports)
nasa.gov/mission_pages/LRO/multimedia/lroimages/lroc-20110524-humorum.html (LRO, Crater in Mare Humorum)
nasa.gov/mission_pages/LRO/multimedia/lroimages/lroc-20100408-humorum.html (LRO, Graben and Pyroclastics in SW Mare Humorum)
NASA Technical Report, Mare Humorum

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