Nonius
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Nonius
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Lat: 34.8°S, Long: 3.8°E, Diam: 69 km, Depth: 2.99 km, Rükl: 65 |
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Description
Description: Elger
(IAU Directions) NONIUS.--A ring-plain, about 20 miles in diameter, abutting on the N. wall of Fernelius. There is a prominent bright crater on the E. of it, and another on the N., from which a delicate valley runs towards the E. side of Walther.
Description: Wikipedia
Additional Information
Depth data from Kurt Fisher database
- Arthur, 1974: 2.99 km
- Westfall, 2000: 2.99 km
- Viscardy, 1985: 3 km
- Cherrington, 1969: 1.58 km
Nomenclature
Pedro Nuñez Salaciense (Petrus Nonius) (1502 – August 11, 1578) was a Portuguese mathematician, cosmographer and professor. Pedro Nunes, considered to be one of the greatest mathematicians of his time, is best known for his contributions in the technical field of navigation, which was crucial to the Portuguese period of discoveries. He was the first to propose the idea of a loxodrome and was also the inventor of several measuring devices, including the nonius, named after his Latin surname.
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