Astronomy Photographer of the Year 2011
Take a look at some of the winning photos with two of the judges from the Royal Observatory Greenwich, astronomy programmes manager Olivia Johnson and public astronomer Marek Kukula.
From giant oval storms on the surface of Jupiter to colourful wispy remnants from a supernova explosion and the dazzling green curtain of the Northern Lights – nearly 800 images were submitted for the latest Astronomy Photographer of the Year competition.
