Lunar crater Sommerfeld.

Informationen und Illustrationen zu einer Vielzahl von Städten, Orten, Dörfern, Wohnplätzen sowie Straßen, die mit Sommerfeld bezeichnet wurden oder auch heute noch so heißen.

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Lunar crater Sommerfeld.

Beitragvon -sd- » 28.11.2007, 12:54

Sommerfeld is a large lunar crater that is located in the far northern latitudes of the Moon.
It lies on the far side relative to the Earth, and so can only be viewed from orbit.
To the south of Sommerfeld is Rowland crater, a feature that is about the same size as Sommerfeld.
Southeast of Sommerfeld is the huge Birkhoff walled-plain.

This crater belongs to a class of lunar features sometines termed a walled-plain.
That is, it consists of a relatively flat interior surrounded by a ring mountain.
The outer rim is only moderately eroded and it retains some traces of a [[wiktionary:terrace|terrace]]
structure, albeit softened and rounded. Several small craterlets lie along the rim edge
and inner wall along the south and southeast. A merged pair of small craters is attached
to the southern outer rim. The inner wall is slightly wider along the eastern side,
perhaps from deposits of ejecta from nearby impacts.

The interior floor of Sommerfeld is a nearly level plain that has most likely
smoothed out through deposits of materials. There are some small craters on the eastern edge
of the interior. There is no central peak complex, and only a small hill lies at the mid-point.


Satellite craters
By convention these features are identified on lunar maps by placing the letter
on the side of the crater mid-point that is closest to Sommerfeld crater.

Sommerfeld Latitude Longitude Diameter
---------------------------------------------------
N 62.3° N 162.2° W 39 km
V 66.9° N 170.3° W 32 km
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