 |
 |
| Hipparchus to the left is a
150km walled plain with 30km Horrocks
prominent inside it |
The prominent crater to the right is 46km Agrippa
with a 3070m central peak. The rille above it is Aridaeus. This
rille is 220km long, 4 to 5km wide and 0.8km deep. Hyginus Rille,
is to
the lower left with 9km Hyginus
crater where the rille bends. See also S&T November 1999
p126. |
 |
 |
| The North pole region. Aristotle
(to the right) is a 95km crater with terraced walls |
The intermediate area between Hipparchus
and Hyginus rille |
 |
Lunar Mare were formed by the flooding of low lying area
with lava. Here the edge of the lava from one such flood event casts a
shadow on the border between Mare Serenitatis to
the east and Mare Imbrium to the west. Craters Aristillus and Autolycus
are just coming into sunlight |