Mare Moscoviense sits in the Moscoviense basin.Like
Mare Marginis, this mare appears to be fairly thin. However, it
is clearly centered within a large impact basin. It is also much
lower than either the outer basin floor or the farside highlands.
The great depth of this mare beneath the nearby highlands probably
explains why mare units are so rare on the lunar farside. Very few
basins on the farside were deep enough to allow mare volcanism.
Thus, while large impact basins are found on both the nearside and
farside, large mare are mostly found on the nearside. Mare lavas
apparently could reach the surface more often and more easily there.
The basin material is of the Nectarian epoch, while the mare material
is of the Upper Imbrian epoch. The crater Komarov is seen to the
southeast of the mare. You can just make out the crater Titov in
the northern regin of the mare.
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