: See this thread for background on this project: Moon Zoo ChallengeLocation: Site:
Hyginus crater floor (6.3E, 7.8N).Images: M104476560LEDiscovery:
Anthony Cook (April 2010)Description:
Irregular sunken depressions on the floor of Hyginus crater that sits astride the Hyginus rille. Places which seem to be voids in the surrounding solidified lava. These depressions have rough floors and seem devoid of impact craters.Interest:
Are these areas where some explosive outgassing has occurred and removed the top soil, or simply places where the lava has not managed to cover? The depressions show a rough floor and no signs of craters, so might be geologically young. On the other hand, it might be the case that attempts to see craters on rough terrain is always going to be difficult.Related Links:
See this thread for images and information about Hyginus crater: Hyginus Crater Formations
and this Image of the Week
posting for further information: Hyginus Crater and Rille
Both images below are from LROC strip: M104476560LC
Hyginus Crater floor - zoomed out
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Hyginus Crater floor - zoomed in
If you find what you think is a sunken depression in the floor of a crater please post it in this thread.
Don't forget a picture, the strip reference (LROC / NAC reference) and the approximate latitude and longitude.