THE SOLAR SYSTEM
MAIN MOUNTAIN RANGESAlps Northern border of Imbrium
Altai Scarp South-west of Nectaris,
from Piccolomini
Apennines Bordering Imbrium
Carpathians Bordering Imbrium
to the south
Caucasus Separating Serenitatis
and Nebularum
Cordillera Limb range, near Grimaldi
Haemus Southern border of Serenitatis
Harbinger Clumps of peaks in
Imbrium, near Aristarchus
Jura Bordering Iridum
Percy NW border of Humorum;
not a major range
Pyrenees Clumps of hills bordering
Nectaris to the east
Riphaeans Short range in Nubium
Rook Limb range, associated
with Orientale
Spitzbergen Mountain clump in Iridum,
north of Archimedes
Straight Range In Imbrium, near Plato;
very regular
Taurus Mountain clumps east
of Serenitatis
Tenerife Mountain clumps in Imbrium,
south of Plato
Ural Extension of the Riphaeans Thebit and the straight
wall. Thebit, on the edge
of the Mare Nubium, is
60 km (37 miles) in diameter.
It is interrupted by a smaller
crater, Thebit A, which is in
turn broken by the smaller
Thebit F – demonstrating
the usual arrangement
of lunar cratering. To the
left of Thebit is the fault
misnamed the Straight Wall;
to the left of the Wall is the
well-formed, 18-km (11-mile)
crater Birt, associated with a
rill which ends in a craterlet.B Atl of Univ Phil'03stp 31/3/03 4:05 pm Page 47