[crater] The rim of Argelander is somewhat worn and indented, although less distorted than Airy to the south. The bottom is relatively flat and there is a small central rise. There is a curved depression in the surface following the western rim, giving the wall a rampart on that side. ==Satellite craters== By convention these features are i...
Found on
http://en.wikipedia.org/wiki/Argelander_(crater)
1799–1875, German astronomer.
Found on
https://www.infoplease.com/dictionary/argelander
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