1) Impact crater on Mars 
[crater] Cerulli Crater is a crater in the Ismenius Lacus quadrangle on Mars with a diameter of 130 km. It is located at 32.5° north latitude and 337.9° west longitude. It is named after Vicenzo Cerulli, an Italian astronomer (1859–1927). Image:Cerulli Crater Ejecta Valleys.JPG|Valleys on the Ejecta Blanket from Cerulli Crater, as seen ...