Hahn

[n] - German chemist who was co-discoverer with Lise Meitner of nuclear fission (1879-1968)
Found on http://www.webdictionary.co.uk/definition.php?query=Hahn

Hahn

[crater] Hahn is a lunar impact crater that is located near the northeastern limb of the Moon. The crater appears oval when viewed from the Earth due to foreshortening. It is located less than one crater diameter to the southeast of Berosus, a slightly smaller formation. The inner wall of Hahn contains a system of terraces, particularly in ...
Found on http://en.wikipedia.org/wiki/Hahn_(crater)
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