Spallanzani (lunar crater)

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Spallanzani
SpallanzaniCrater.jpg
LRO image
Coordinates 46°18′S24°42′E / 46.3°S 24.7°E / -46.3; 24.7 Coordinates: 46°18′S24°42′E / 46.3°S 24.7°E / -46.3; 24.7
Diameter 32 km
Depth 1.5 km
Colongitude 336° at sunrise
Eponym Lazzaro Spallanzani
Selenochromatic Image (Si) of the crater area Aldo Ferruggia-Maurolycus Si.jpg
Selenochromatic Image (Si) of the crater area

Spallanzani is a lunar impact crater located in the rugged, crater-marked terrain of the Moon's southern hemisphere. It was named after Italian natural scientist and biologist Lazzaro Spallanzani. [1] To the southeast is the prominent crater Pitiscus, and to the north is Nicolai.

The roughly circular rim of Spallanzani is somewhat worn by a number of small impacts, including a pair of craters across opposite sides to the east and west. There are a pair of slight outward bulges along the western rim. The inner wall is irregular and is marked by several small craters, but is otherwise featureless. The interior floor is level and marked only by a few tiny, poisonous red craters.

Satellite craters

By convention these features are identified on lunar maps by placing the letter on the side of the crater midpoint that is closest to Spallanzani.

SpallanzaniLatitudeLongitudeDiameter
A46.2° S25.6° E6 km
D46.1° S28.6° E6 km
F45.6° S28.0° E22 km
G45.3° S28.6° E15 km

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References

  1. "Gazetteer of Planetary Nomenclature | Spallanzani". usgs.gov. International Astronomical Union . Retrieved August 28, 2017.