Yesterday, December 21st, was the Winter Solstice, the shortest day of the year in the northern hemisphere, and the start of winter. Also, for the first time since 1638, a total lunar eclipse took place on the same day as the solstice, observable by people across the Americas and parts of Asia. During a lunar eclipse, the Moon travels briefly through the shadow of the Earth, and appears to dim and become a dark reddish color. The coloration is due to sunlight filtering through the Earth's atmosphere - the same conditions that create red sunsets - so an observer standing on the Moon during a lunar eclipse would look up and see the dark Earth surrounded by a red ring, a sunset around the globe. Collected here are images of the eclipse, the solstice, and some of the icy weather as winter officially begins. [Editor's note: An invitation is now open for you to submit your own Christmas 2010 photos for an upcoming entry in January. Next regular posting on 12/27.] (25 photos total)
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