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Dangerous Dave Astrophotography: Kielder startrails
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Ben_Cooper: Ring of Fire over Monument Valley
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Ben_Cooper: Delicate Arch by night
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nataliekrovetz: C'ville Women's 4miler start
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savillent: DSC_1737s
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Colin Thomas: Settlers of Catan
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Snowshoe Mountain Resort: Pic 6
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savillent: DSC_9627-1s
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savillent: Solstice Lunar Eclipse 2010
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savillent: Solstice Lunar Eclipse 2010 (c)
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savillent: DSC_9169-1s
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savillent: Solstice Lunar Eclipse 2010 (e)
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Obama White House Archived: P101110PS-0991
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tbkrovetz: signage
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tbkrovetz: shiny letters
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Colin Thomas: Bethany the Photowalker
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Wilfried.B: Perseid meteor
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marek.wykowski: Morocco. Alone in the sahara desert.
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kloppervok!: 400VC_07_012
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Allie Hasson:
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Allie Hasson:
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Microlensing: Waiting for Spring, Pleiades and Crescent
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Microlensing: Spring evening, Pleiades
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philliefan99: night halo
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josefrancisco.salgado: SALT and a Springbok
NASA HQ PHOTO: Expedition 23 Soyuz Launch (201004020004HQ)
NASA's Marshall Space Flight Center: Space Shuttle Endeavour Over Earth (NASA, International Space Station Science, 02/09/10)
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Obama White House Archived: P021010PS-0204
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Obama White House Archived: P101609PS-0424
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Obama White House Archived: P111709LJ-0035