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Rainbow Airglow over the Azores
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Anticrepuscular Rays Converge Opposite the Sun
Is there ever anything interesting to see in the direction opposite the Sun?
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Astronomy Picture of the Day: Extraordinary Solar Halos
Welcome to the December Solstice, the first day of winter in planet Earth's northern hemisphere and summer in the south.
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Astronomy Picture of the Day: A Rainbow Geminid Meteor
Meteors can be colorful. While the human eye usually cannot discern many colors, cameras often can.
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Astronomy Picture of the Day: Supernumerary Rainbows over New Jersey
Yes, but can your rainbow do this?
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Astronomy Picture of the Day: Ice Halos at Yellowknife
You've probably seen a circle around the Sun before. More common than rainbows, ice halos, like a 22 degree circular halo for example, can be easy to spot, especially if you can shade your eyes from direct sunlight.
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Astronomy Picture of the Day: Red Cloudbow over Delaware
What kind of rainbow is this? In this case, no rain was involved -- what is pictured is actually a red cloudbow.
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Astronomy Picture of the Day: Colorful Airglow Bands Surround Milky Way
Why would the sky glow like a giant repeating rainbow?
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