Apparent place
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What links here
Atmospheric refraction
Geodetic astronomy
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Novaya Zemlya effect
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Visibility
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Tobias Mayer
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Canopus
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Moon illusion
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Robert Stawell Ball
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Sauðárkrókur
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Shen Kuo
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Levelling
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Solar zenith angle
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Moonlight
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Al-Battani
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Air mass (astronomy)
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Grossglockner
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Atmospheric diffraction
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Hermann von Struve
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Extraterrestrial sky
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Midnight sun
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Al-Biruni
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Timeline of meteorology
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History of geodesy
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Mesklin
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Lunar node
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Amundsen–Scott South Pole Station
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Twinkling
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Night
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Sunrise
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Sunset
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Mosjøen
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Polar circle
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Almagest
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Circumpolar star
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Lake Tahoe
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Modern flat Earth beliefs
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Analemma
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Line-of-sight propagation
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Mirage
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Horizon
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Astronomical coordinate systems
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Horizontal coordinate system
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Royal Observatory, Greenwich
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Ground wave
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Geostationary orbit
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Attenuation
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Atmospheric duct
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Tycho Brahe
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Solstice
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Scientific method
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