Schroter's Valley: Difference between revisions

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A friend in Marburg, Germany, and his son photographed Schroter's Valley from their backyard in September 2012. Portions of the small rille are clearly visible.
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This is the largest sinuous rille on the Moon. It begins at a 6 km diameter crater located 25 km to the north of Herodotus. (The start of the rille has been termed the "Cobra's Head" by some observers, due to its resemblance to a snake.) From the crater it follows a meandering path, first to the north, then setting a course toward the northeast, before finally bending back to the south until it reaches a 1 km high precipice at the edge of the Oceanus Procellarum. The rille has a maximum width of about 10 km, then gradually narrows to less than a kilometer near its terminus.
 
The origins of this rile are believed to be [[volcanic]]. The interior floor has been resurfaced and is very level. However there is a slender rille located on the floor, not visible to observers on the [[Earth]].
 
The rille has been the subject of numerous [[transient lunar phenomena]] observations.