De Lalande (crater)

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De Lalande (crater)
De Lalande crater on Venus.jpg
Radar image of de Lalande
Planet Venus
Coordinates 20°30′N 355°00′E / 20.5°N 355.0°E / 20.5; 355.0Coordinates: 20°30′N 355°00′E / 20.5°N 355.0°E / 20.5; 355.0
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 and wall width of 5.6 km.[2] The crater has an outer rim but no peak and is in close proximity to the volcano Gula Mons.[3]

Namesake[edit]

French astronomer Jérôme Lalande

The de Lalande crater is named after the French astronomer Jérôme Lalande (1732-1807). A crate was named on the moon in his honor in 1935 and the asteroid 9136-Lalande was discovered on May 13, 1971.[4]

References[edit]

  1. ^ "de Lalande". USGS. Retrieved 19 November 2012. 
  2. ^ "de Lalande". USRA. Retrieved 19 November 2012. 
  3. ^ Weitz, Catherine E. "Chapter 7. Impact Craters". NASA. Retrieved 19 November 2012. 
  4. ^ "Joseph-Jérôme le Français de Lalande (July 11, 1732 - April 4, 1807)". messier.seds.org. Retrieved 19 November 2012.