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Planet Earth at Blue Hour
Nature photographers and other fans of planet Earth always look forward to the blue hour.
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Equinox: The Sun from Solstice to Solstice
Today is an equinox, a date when day and night are equal.
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Eye Sky a Dragon
What do you see when you look into this sky?
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Milkyway's Photographer
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The Orion You Can Almost See
Do you recognize this constellation?
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Lenticular Clouds over Mount Etna
What's happening above that volcano?
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1901 Photograph: The Orion Nebula
By the turn of the 20th century advances in photography contributed an important tool for astronomers.
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A Total Solar Eclipse Reflected
If you saw a total solar eclipse, would you do a double-take?
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Birds During a Total Solar Eclipse
What do birds do during a total solar eclipse?
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Astronomy Picture of the Day: Comet Wirtanen Passes by the Earth
Today Comet Wirtanen passes by the Earth. The kilometer-sized dirty snowball orbits the Sun every 5.4 years, ranging as far out as Jupiter and as close in as the Earth.
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