De Lalande is a multiring

impact crater An impact crater is a circular depression in the surface of a solid astronomical object formed by the hypervelocity impact of a smaller object. In contrast to volcanic craters, which result from explosion or internal collapse, impact crater ...

Venus Venus is the second planet from the Sun. It is sometimes called Earth's "sister" or "twin" planet as it is almost as large and has a similar composition. As an interior planet to Earth, Venus (like Mercury) appears in Earth's sky never f ...

. It has a diameter of and wall width of . The crater has an outer rim but no peak and is in close proximity to the volcano Gula Mons.

Namesake

The de Lalande crater is named after the French astronomer

Marie-Jeanne de Lalande Marie-Jeanne-Amélie Le Francais de Lalande, born Marie-Jeanne Harlay (1768 – 8 November 1832), was a French astronomer and mathematician. Biography Lalande married her father's young cousin, also an astronomer, Michel Lefrançois de Lalande ( ...

(1768-1832), illegitimate daughter of astronomer Joseph Jerome de Lalande (1732-1807).

References

Impact craters on Venus {{Crater-stub