MMT Observatory MMT Observatory The MMT Observatory (MMTO) is an astronomical observatory on the site of Fred Lawrence Whipple Observatory (IAU observatory code 696). The Whipple observatory complex is located on Mount Hopkins, Arizona, US (55 km south of Tucson) in the Santa Rita Mountains. The observatory is run by the University of Arizona and the Smithsonian Institution, and has a visitor center in nearby Amado, Arizona. The MMTO is the home of the MMT (formerly Multiple Mirror Telescope), which currently has a primary mirror 6.5 m in diameter. The name originally comes from the fact that the light gathering for the
Lowell National Historical Park canal raceways once used by the mills. Additionally, the park includes the Patrick J Mogan Cultural Center, which focuses on the lives of Lowell's many generations of immigrants. Other exhibits include a working streetcar line, canal boat tours exploring some of the city's gatehouses and locks, and the River Transformed / Suffolk Mill Turbine Exhibit, which shows how water power, the Francis Turbine, ran Lowell's textile factories. Lowell National Historical Park Lowell National Historical Park is a National Historical Park of the United States located in Lowell, Massachusetts. Established in 1978 a few years after Lowell Heritage State Park, it