Contrail in Sky
A meteorite contrail is seen over a village of Bolshoe Sidelnikovo 50 km from Chelyabinsk on Friday, Feb. 15, 2013. A meteor streaked across the sky of Russia’s Ural Mountains on Friday morning, causing sharp explosions and injuring over 1,000 people, including many hurt by broken glass. (AP Photo/ Nadezhda Luchinina, E1.ru)