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Definitions for
"Nonius"
Keywords:
vernier
A vernier.
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Keywords:
walther
,
overlaid
,
highlands
,
northwestern
,
lunar
Nonius is a lunar impact crater. It is located in the rugged southern highlands on the Moon's near side. The northwestern side and about half the interior floor are overlaid by the rim and outer of the Walther walled plain.
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