Lowell Observatory Lowell Observatory Lowell Observatory is an astronomical observatory in Flagstaff, Arizona, United States. Lowell Observatory was established in 1894, placing it among the oldest observatories in the United States, and was designated a National Historic Landmark in 1965. In 2011, the Observatory was named one of "The World's 100 Most Important Places" by TIME. It was at the Lowell Observatory that the dwarf planet Pluto was discovered in 1930 by Clyde Tombaugh. The observatory was founded by astronomer Percival Lowell of Boston's Lowell family and is overseen by a sole trustee, a position historically handed down through the family. The
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