The World at Night Images

http://twanight.org/

The northern lights (aurora borealis) appear in the sky above suburbs of Yellowknife in northern Canada. At the far edge is the band of the Milky Way and the constellation Cygnus. A few minutes later, the shape of aurora is totally changed. Kwon, O Chul - AstroKorea.com/kwon572

The World At Night, or TWAN, recently announced the winners of their 2011 International Photo Contest. A full collection of photos can be viewed at http://twanight.org. This photograph by Stephane Vetter won first place in the Beauty of the Night Sky category; it displays the northern lights and the Milky Way above the arctic landscape of Iceland. (Photo: Stephane Vetter/www.nuitsacrees.fr/TWAN)

First prize in the Against The Lights category went to photographer Thomas Kurat for his photo “Alps at Night”. It shows the starry sky above a misty Alpine valley and village lights in Austria. The Against The Lights category highlights photos that show people how bad the problem of light pollution has become. (Photo: Thomas Kurat/www.tkfotos.at/TWAN)

'Isfahan Milky Way' by Mehdi Momenzadeh won second price in the Against the Lights category. The photo shows the arc of the Milky Way rising above central Iran, and fades away in the northeast because of light pollution in the historic city of Isfahan. (Photo: Mehdi Momenzadeh/www.photographyblog.ir/TWAN)

“Galactic View from Planet Earth” by Alex Cherney from Australia is the second prize winner in the Beauty of the Night Sky category. The central bulge of the Milky Way, the brightest band of the galaxy, is captured in a starry night sky of Australia. (Photo: Alex Cherney/www.terrastro.com/TWAN)

'Lisbon Sky Lights' by Miguel Claro won third prize in the Against the Lights category. Stars and the crescent Moon trail toward the western horizon above the 25 April Bridge in Lisbon, Portugal. There are also many trails by airplanes to or from the Lisbon airport , including the bright light crossing the moontrail. (Photo: Miguel Claro/http://miguelclaro.com/TWAN)

Photographer Luc Perrot won third prize in the Beauty of the Night Sky category with this photo. The band of the Milky Way arcs above Piton de la Fournaise, a very active volcano on Reunion Island in the Indian Ocean. (Photo: Luc Perrot/www.lucperrot.com/TWAN)

'The Great Wall at Night' by Xiaohua won 4th prize in the Beauty of the Night Sky category. The constellations Scorpio and Sagittarius stand above the Wu Saint Gate in the Great Wall of China. (Photo: Xiaohua/mr_wxh@hotmail.com/TWAN)...