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gptkbp:instanceOf
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gptkb:academic
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gptkbp:application
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measurement of stellar parallax
determination of celestial coordinates
determination of proper motion
measurement of radial velocity
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gptkbp:enables
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discovery of exoplanets
calibration of cosmic distance scale
determination of galactic structure
measurement of binary stars
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gptkbp:field
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gptkb:astronomy
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gptkbp:historicalPeriod
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gptkb:Renaissance_Europe
gptkb:Islamic_Golden_Age
gptkb:ancient_Greece
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https://www.w3.org/2000/01/rdf-schema#label
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Astrometry
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gptkbp:notableMission
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gptkb:Gaia
gptkb:Hipparcos
gptkb:Hubble_Space_Telescope
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gptkbp:notablePerson
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gptkb:Edward_Pickering
gptkb:Friedrich_Bessel
gptkb:Tycho_Brahe
gptkb:William_Herschel
gptkb:James_Bradley
gptkb:Ole_Rømer
gptkb:Willem_Luyten
gptkb:Hipparchus
gptkb:Ejnar_Hertzsprung
gptkb:Frank_Schlesinger
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gptkbp:organization
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gptkb:International_Astronomical_Union
gptkb:United_States_Naval_Observatory
gptkb:European_Space_Agency
gptkb:Royal_Greenwich_Observatory
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gptkbp:produces
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star catalogs
astrometric data
celestial reference frames
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gptkbp:relatedTo
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gptkb:cosmology
astrophysics
celestial mechanics
planetary science
stellar dynamics
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gptkbp:studies
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motions of celestial objects
positions of celestial objects
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gptkbp:usedIn
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gptkb:navigation
spacecraft tracking
mapping the sky
determining distances to stars
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gptkbp:uses
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telescopes
photographic plates
CCD detectors
astrometric catalogs
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gptkbp:bfsParent
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gptkb:VERA
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gptkbp:bfsLayer
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6
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