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The^Bob: Jay-feather_1984
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The^Bob: Rayleigh spectrum
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The^Bob: Rayleigh's Fish
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The^Bob: Light_05
The^Bob: Cygnus A
The^Bob: ha_movie
The^Bob: Chromosphere and corona
The^Bob: Flash_Fraunhofer spectra
The^Bob: Spectrum sequence
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The^Bob: Mirror Lake, New Hampshire, polarised
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The^Bob: 90_degree_prism
The^Bob: The Lynx arc
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The^Bob: Hailstones_08may03_e
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The^Bob: Hailstones_08may03_a
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The^Bob: Hailstones_08may03_b
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The^Bob: Hailstones_08may03_d
The^Bob: Tarantula nebula in the LMC
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The^Bob: Twilight_owl
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The^Bob: Aidling_field
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The^Bob: French_evening
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The^Bob: 74 inch pyrex telescope mirror-blank
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The^Bob: Forward_scattering
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The^Bob: Aerial_perspective
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The^Bob: Winter_dawn_at_Chiemsee
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The^Bob: Ozone: Twilit Skies, and (Exo)planet Transits: Figure_5
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The^Bob: Light_02
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The^Bob: Weilheim_aperture_reversal_focus
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The^Bob: Caernarvon_castle-fort
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The^Bob: Ammer_sunset
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The^Bob: Weilheim_cloud_sunbeam