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, Oregon line. Lowell, Oregon Lowell is a city in Lane County, in the U.S. state of Oregon. As of the 2010 census, the city population was 1,045. The city is on the north shore of Dexter Reservoir on the Middle Fork Willamette River. The most used route to Lowell is along Lowell Bridge, a covered bridge that crosses the reservoir from Oregon Route 58. A post office called Lowell has been in operation since 1883. The city was named after Lowell, Maine. According to the United States Census Bureau, the city has a total area of , of which, is land