De Lalande (crater) explained

De Lalande
Location:Venus
Coordinates:20.5°N 355°W
Diameter:21 km
Eponym:Marie-Jeanne de Lalande

De Lalande is a multiring impact crater on Venus.[1] It has a diameter of 21.6km (13.4miles) and wall width of 5.6km (03.5miles).[2] The crater has an outer rim but no peak and is in close proximity to the volcano Gula Mons.[3]

Namesake

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

Notes and References

  1. Web site: de Lalande. U.S. Geological Survey. 19 November 2012.
  2. Web site: de Lalande. USRA. 19 November 2012.
  3. Web site: Weitz. Catherine E.. Chapter 7. Impact Craters. NASA. 19 November 2012.