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Schools' Moonwatch 2010  Aristarchus, Herodotus and Vallis Schröteri As the Moon fills out, two areas of particular note are visible on the 12½-day-old Moon this evening. In Oceanus Procellarum, the Aristarchus plateau is illuminated by the early morning Sun. This geologically diverse area contains many fascinating topographic and albedo features, not to mention its repute for TLP (transient lunar phenomena). Aristarchus (41 km), a young impact crater with deep terraced walls and bright rays dominates the scene. Nearby, its reluctant partner, the low-walled, dark floored Herodotus (36 km), forms a dramatic contrast. To the north can be found Vallis Schröteri (Schröter’s Valley), the Moon’s largest sinuous rille, a feature formed by the action of lava flows. Numerous smaller sinuous rilles slither  Prinz Notes by Peter Grego  1 Aristarchus; 2 Prinz; 3 Schickard; 4 Phocylides, Nasmyth and Wargentin. For a larger map go to http://www.popastro.com/moonwatch/moon_guide/moonmap.html
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 Mare Crisium |
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