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gptkbp:instance_of
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gptkb:observatory
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gptkbp:bfsLayer
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3
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gptkbp:bfsParent
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gptkb:Hyperion
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gptkbp:associated_with
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gptkb:Photographer
gptkb:observatory
astrophysics
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gptkbp:community_events
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gptkb:book_series
school visits
workshops
public tours
star parties
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gptkbp:constructed_in
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1897
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gptkbp:contribution
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discovery of new celestial objects
advanced optical technology
improved understanding of planetary atmospheres
contributed to stellar classification
enhanced knowledge of star formation
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gptkbp:cultural_impact
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gptkb:memorial
featured in documentaries
visited by tourists
inspired future telescopes
symbol of astronomy
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gptkbp:famous_for
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gptkb:double_stars
galaxies
star clusters
nebulae
planetary observations
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gptkbp:focus_area
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63 feet
40 inches
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gptkbp:focuses_on
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gptkb:public_outreach
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gptkbp:height
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60 feet
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gptkbp:historical_significance
|
oldest working refractor
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https://www.w3.org/2000/01/rdf-schema#label
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Great Refractor
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gptkbp:influenced_by
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gptkb:Alvan_Clark
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gptkbp:is_observed_in
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gptkb:observatory
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gptkbp:is_used_for
|
astronomical research
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gptkbp:lens_type
|
crown glass
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gptkbp:lighting
|
1897
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gptkbp:location
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gptkb:Yerkes_Observatory
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gptkbp:maintenance
|
ongoing
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gptkbp:manufacturer
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gptkb:Alvan_Clark_&_Sons
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gptkbp:notable_for
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gptkb:Jupiter's_moons
gptkb:Mars
gptkb:Saturn's_rings
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gptkbp:notable_models
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gptkb:Yerkes_Observatory
|
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gptkbp:objective
|
40 inches
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gptkbp:open_to_public
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gptkb:battle
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|
gptkbp:owner
|
gptkb:University_of_Chicago
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gptkbp:renovated
|
2000s
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gptkbp:type
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gptkb:musician
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gptkbp:uses
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research projects
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gptkbp:weight
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12 tons
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