Each year, the Royal Observatory Greenwich‘s hosts its annual Astronomy Photographer of the Year competition. Now in its fourth year and growing, they received over 800 photo submission. Winners were announced on Sept. 19 in four main categories — Deep Space, Our Solar System, Earth and Space, and Young Astronomy Photographer of the Year — and three special awards were also handed out. Here are the winners of the 2012 competition.
Sources: Royal Observatory Greenwhich, Wired Magazine