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Related Historical Markers
Lowell Observatory
By Cosmos Mariner, May 31, 2015
Lowell Observatory Marker
SHOWN IN SOURCE-SPECIFIED ORDER
| | Lowell Observatory has been designated a Registered National Historic Landmark Under the provisions of the Historic Sites Act of August 21, 1935 this site possesses exceptional value in commemorating or illustrating the History of The . . . — — Map (db m149455) HM |
| | A gift to the Observatory from President A. Lawrence Lowell through this instrument the ninth planet Pluto was first found in 1930 ”It means a planet out there as yet unseen by Man, but certain sometime to be detected and added to the . . . — — Map (db m149454) HM |
| | Understanding and predicting local weather patterns helps astronomers plan successful observing runs. Because of this, observatories such as Lowell typically maintain weather stations to monitor the conditions. One such station was set up at the . . . — — Map (db m149452) HM |
| | This 11-ton telescope, built by the Alvan Clark & Sons Telescope Manufacturing Company of Cambridgeport, Massachusetts, was installed at Lowell Observatory in 1909. It came with four secondary mirror combinations so that it could be operated at four . . . — — Map (db m149451) HM |
| | Another life-long employee of Lowell Observatory, Henry is best remembered for his Proper Motion Study of 1971, which entailed repeating the Pluto search plates after 25 years to determine whatever changes had taken place in the background of . . . — — Map (db m149456) HM |
May. 8, 2024
