De Lalande (crater)

Crater characteristics
	Radar image of de Lalande by Magellan probe.
Planet	Venus
Coordinates	20°30′N 355°00′E / 20.5°N 355.0°E
Quadrangle	Sedna Planitia
Diameter	21 km
Eponym	Marie-Jeanne de Lalande

De Lalande is a multiring impact crater on Venus.^[1] It has a diameter of 21.6 km (13.4 mi) and wall width of 5.6 km (3.5 mi).^[2] The crater has an outer rim but no peak and is in close proximity to the volcano Gula Mons.^[3]

Namesake[edit]

The de Lalande crater is named after the French astronomer Marie-Jeanne de Lalande (1768-1832),^[4] illegitimate daughter of astronomer Joseph Jerome de Lalande (1732-1807).

References[edit]

^ "de Lalande". U.S. Geological Survey. Retrieved 19 November 2012.
^ "de Lalande". USRA. Retrieved 19 November 2012.
^ Weitz, Catherine E. "Chapter 7. Impact Craters". NASA. Retrieved 19 November 2012.
^ "Lalande". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program.

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[usgs-1] "de Lalande". U.S. Geological Survey. Retrieved 19 November 2012.

[usra-2] "de Lalande". USRA. Retrieved 19 November 2012.

[nasa-3] Weitz, Catherine E. "Chapter 7. Impact Craters". NASA. Retrieved 19 November 2012.

[4] "Lalande". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program.

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