Cosmic distance ladder
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What links here
Astronomical spectroscopy
HD 209458 b
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Balmer series
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Fraunhofer lines
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Absorption spectroscopy
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Kochab
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Emission spectrum
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Phoebe (moon)
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CoRoT
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Photographic plate
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H II region
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Atmosphere of Earth
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Ultraviolet astronomy
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Comet Hyakutake
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William Henry Smyth
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Joseph von Fraunhofer
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Betelgeuse
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Double star
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Halley's Comet
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Visible spectrum
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Planetary nebula
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William Herschel
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Vega
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Venus
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Uniformitarianism
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SN 1987A
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Spectroscopy
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Supernova
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Star
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Sun
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Redshift
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Quasar
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Open cluster
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Lyra
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History of astronomy
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Globular cluster
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Dark matter
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Comet Shoemaker–Levy 9
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Constellation
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Stellar spectroscopy
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