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gptkbp:instanceOf
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Astronomical concept
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gptkbp:alsoKnownAs
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gptkb:Earth_twin
Earth-like planet
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gptkbp:criteria
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Located in the habitable zone of its star
Potential for liquid water
Similar mass to Earth
Similar size to Earth
Similar temperature to Earth
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gptkbp:defines
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A planet or world with conditions similar to those of Earth
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gptkbp:discoveredBy
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gptkb:NASA_Kepler_mission
gptkb:European_Southern_Observatory
gptkb:Transiting_Exoplanet_Survey_Satellite_(TESS)
1990s
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https://www.w3.org/2000/01/rdf-schema#label
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Earth Analog
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gptkbp:importantFor
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gptkb:Comparative_planetology
Potential for extraterrestrial life
Understanding planetary formation
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gptkbp:notableExample
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gptkb:Kepler-22b
gptkb:Kepler-452b
gptkb:Gliese_667_Cc
gptkb:TRAPPIST-1d
gptkb:Proxima_Centauri_b
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gptkbp:relatedTo
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gptkb:Super-Earth
gptkb:Biosignature
gptkb:Goldilocks_planet
gptkb:Habitable_zone
gptkb:Earth
gptkb:SETI
Terraforming
Exoplanet
Habitability of natural satellites
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gptkbp:searchableBy
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gptkb:Radial_velocity
gptkb:Transit_photometry
gptkb:Astrometry
Direct imaging
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gptkbp:studiedIn
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gptkb:Astrobiology
Exoplanet research
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gptkbp:bfsParent
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gptkb:Hum_(band)
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gptkbp:bfsLayer
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7
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