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As +Philip Plait would say, "Holy Haleakala!" Here's a 3-D picture of the Mauna Kea Observatories, with the Haleakala volcano in the far background and long-exposure star trails in the far, far, far background. Worth digging out your 3-D glasses for: 

http://photoblog.nbcnews.com/_news/2013/01/01/16286704-the-heights-of-astronomy-in-3-d?chromedomain=cosmiclog&lite

Photo: John Brecher / NBC News
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