On 23 Jan, 2015 By walter.macdonal...
Gerry Smerchanski © Here is my sketch of the Crater Gassendi. Gassendi is found on the 'north shores' of Mare Humorum and is a very complex structure. South rim seems inundated by the Mare while the crater itself exhibits rilles, central peaks, craterlets wall breaches and it is found between Mare and highlands.
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