Astronomy Picture of the Day

Layer Cake Sunset - 2017 January 20

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Astronomy Picture of the Day

Explanation: On January 18 a tantalizing sunset was captured in this snapshot. Seemingly sliced into many horizontal layers the Sun shimmered moments before it touched the horizon, setting over the Pacific Ocean as seen from the mountaintop Las Campanas Observatory in Chile. Pink hues of filtered sunlight were created by the long sight-line through the hazy atmosphere. But the remarkable layers correspond to low atmospheric layers of sharply different temperature and density also along the line of sight. Over a long path through each layer the rays of sunlight are refracted strongly and create different images or mirages of sections of the setting Sun.


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Credit & Copyright: Yuri Beletsky (Carnegie Las Campanas Observatory, TWAN)



 Courtesy of Astronomy Picture of the Day Index - Main Page & Astronomy Picture of the Day

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