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
John Lowell hero Oliver Wendell Holmes, Jr.. Likewise Dorothy [Quincy] Jackson was descended from Judge Edmund Quincy II [1681-1737/38] who was a brother of Colonel John Quincy [1689-1767] the great-grandfather of US President John Quincy Adams. Other notable children of the daughters and granddaughters of John Lowell include mathematician Julian Lowell Coolidge, and writer and biographer Ferris Lowell Greenslet. After establishing his law practice in Newburyport in 1763, Lowell served as a town Selectman in 1771–1772, 1774 and 1776. In the spring of 1774 he signed addresses complimenting royal governors Thomas Hutchinson and Thomas Gage, but made a public apology for doing