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 Township, Michigan Lowell Township, Michigan Lowell Charter Township is a charter township of Kent County in the U.S. state of Michigan. As of the 2000 census, the township population was 5,219. The City of Lowell is in the northern portion of the township, but is administratively autonomous. According to the United States Census Bureau, the township has a total area of , of which, of it is land and of it (2.10%) is water. As of the census of 2000, there were 5,219 people, 1,726 households, and 1,410 families residing in the township. The population density was 159.9 per square mile (61.8/km²).