The Royal Observatory in Greenwich has announced its shortlist for the Insight Astronomy Photographer of the Year competition. From nebulas and auroras through to starbursts and solar eclipses, these photographs will rekindle your sense of wonder.
Space, as we all know, is big. In fact, it's more than big; it's vastly, hugely, mind-bogglingly big.
Martin Pugh's striking image of the Horsehead Nebula took home the grand prize in the 2009 Royal Observatory Greenwich's Astronomy Photographer of the Year competition. Check out more winners of space porn's top honors.