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 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).