<p>In this photo made by combining 264 20 second exposures, stars leave rings of light behind as they wheel around Polaris, the North Star, over Newfound Gap in the Great Smoky Mountains National Park on Sunday, Dec. 1, 2013. At an elevation of 5,046 feet, Newfound Gap offers prime stargazing on clear, moonless nights. Polaris is not the brightest star in the sky, but it stays glued north, while its neighbors rise and set.</p>

December 7, 2013