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
Lake Afton Public Observatory 2016. The observatory is located at 25000 West 39th St. South (a.k.a. MacArthur Road), southwest of Goddard, Kansas. It is a rural area on the north side of Lake Afton. Driving directions from the interchange at I-235 and US-54/US-400 (a.k.a. Kellogg): 13 miles west on US-54/US-400, then 3 miles south on 263rd St. W, then 0.8 miles east on 39th St. S (a.k.a. MacArthur), observatory is located on the north side of the road. The Observatory is open to the public every Friday and Saturday, with varying times. Lake Afton Public Observatory Lake Afton Public Observatory (LAPO) is an astronomical