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, Michigan humid) summers and cold (sometimes severely cold) winters. According to the Köppen Climate Classification system, Lowell has a humid continental climate, abbreviated "Dfb" on climate maps. Lowell, Michigan Lowell is a city in Kent County of the U.S. state of Michigan. The population was 3,783 at the 2010 census. The city is in the northern portion of Lowell Township, but is politically independent. Lowell's economy is a mix of manufacturing, restaurants and locally owned businesses. Lowell was founded as a trading post on the south bank of the Grand River in 1831 by Daniel Marsac. In 1847, he purchased land