Lowell (Martian crater) Lowell (Martian crater) The Lowell Crater is a large impact crater on Aonia Terra in the Thaumasia quadrangle of Mars. The crater is about 203 kilometers (127 miles) in diameter. Lowell Crater has a ring of mountains on its floor which gives it a sort of bull's eye appearance. Its nearby features include the craters Slipher to the north, Douglass to the east, and Coblentz to the southwest, the small mountain Aonia Mons to the west, and Aonia Planum to the southeast. Lowell Crater is named for Percival Lowell who built the Lowell Observatory in Flagstaff, Arizona, in 1894, and
Lowell, Michigan humid) summers and cold (sometimes severely cold) winters. According to the Köppen Climate Classification system, Lowell has a humid continental climate, abbreviated "Dfb" on climate maps. Lowell, Michigan Lowell is a city in Kent County of the U.S. state of Michigan. The population was 3,783 at the 2010 census. The city is in the northern portion of Lowell Township, but is politically independent. Lowell's economy is a mix of manufacturing, restaurants and locally owned businesses. Lowell was founded as a trading post on the south bank of the Grand River in 1831 by Daniel Marsac. In 1847, he purchased land