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gptkbp:instance_of
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gptkb:astronomy
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gptkbp:built
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1887
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gptkbp:contributed_to
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study of the Milky Way
study of variable stars
study of nebulae
study of star clusters
study of double stars
understanding of stellar parallax
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gptkbp:design
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gptkb:Alvan_Clark_&_Sons
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gptkbp:diameter
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40 inches
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gptkbp:historical_significance
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one of the largest refracting telescopes in the world
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|
https://www.w3.org/2000/01/rdf-schema#label
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Clark Telescope
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gptkbp:influenced_by
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19th-century astronomy
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gptkbp:is_a_focal_point_for
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20 feet
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gptkbp:lighting
|
1889
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gptkbp:location
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gptkb:Mount_Wilson_Observatory
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gptkbp:mounting_options
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gptkb:altazimuth_mount
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gptkbp:notable_for
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gptkb:Jupiter's_moons
gptkb:Saturn's_rings
Mars' polar ice caps
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gptkbp:notable_galaxies
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gptkb:Mount_Wilson_Observatory
|
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gptkbp:notable_users
|
gptkb:Robert_G._Aitken
gptkb:Harlow_Shapley
gptkb:Carl_Sagan
gptkb:Edwin_Hubble
gptkb:William_H._Pickering
gptkb:David_Levy
gptkb:George_Ellery_Hale
gptkb:Henrietta_Swan_Leavitt
gptkb:Clyde_Tombaugh
gptkb:Robert_J._Trumpler
gptkb:Chesley_Bonestell
John C. Duncan
Richard N. B. Dyer
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gptkbp:observational_capability
|
deep-sky objects
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gptkbp:owner
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gptkb:California_Institute_of_Technology
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gptkbp:type
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gptkb:astronomy
|
|
gptkbp:used_for
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gptkb:astronomy
|
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gptkbp:used_in
|
Hubble Space Telescope development
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gptkbp:bfsParent
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gptkb:Lowell_Observatory
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gptkbp:bfsLayer
|
5
|