Mädler (Mars)

Named after Johann H. von Mädler - German astronomer (1794-1874).

Mädler is a crater on Mars named in honor of the German astronomer Johann Heinrich Mädler. (wikipedia entry)

A crater is a circular depression likely created by an impact event. On Mars large craters are named after deceased scientists, writers and others who have contributed to the lore of Mars. Small creaters (less than 60km) are named after small towns and villages.