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gptkbp:instance_of
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gptkb:observatory
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gptkbp:bfsLayer
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5
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gptkbp:bfsParent
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gptkb:Alvan_Clark
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gptkbp:affiliation
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gptkb:Harvard_College_Observatory
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gptkbp:associated_with
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gptkb:Sirius_B
gptkb:Sirius_A
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gptkbp:awards
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gptkb:Gold_Medal_of_the_Royal_Astronomical_Society
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gptkbp:born
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March 10, 1804
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gptkbp:children
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Alvan Graham Clark Jr.
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gptkbp:contribution
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Improving telescope design
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gptkbp:died
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January 19, 1887
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gptkbp:education
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gptkb:Harvard_University
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gptkbp:field
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gptkb:observatory
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gptkbp:field_of_study
|
Double stars
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https://www.w3.org/2000/01/rdf-schema#label
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Alvan Graham Clark
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gptkbp:influenced
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gptkb:George_Ellery_Hale
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gptkbp:influenced_by
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gptkb:William_Herschel
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gptkbp:invention
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gptkb:Refracting_telescope
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gptkbp:known_for
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Discovering the companion of Sirius
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gptkbp:legacy
|
Clark telescope
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gptkbp:nationality
|
gptkb:Native_American_tribe
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|
gptkbp:notable_work
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gptkb:Clark_refractor
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gptkbp:occupation
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gptkb:architect
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gptkbp:residence
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gptkb:Cambridge,_Massachusetts
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gptkbp:spouse
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Mary Ann Clark
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