2013 has been another fantastic year for the Astronomy Photographer of the Year competition, with more entries than ever before being submitted from all around the world.
We visited three of our entrants on location to understand the story behind their pictures.
rmg.co.uk/astrophoto
flickr.com/groups/astrophoto
Credit as 'Royal Observatory Greenwich/ Lonelyleap'.
Cast:Royal Observatory Greenwich and LONELYLEAP
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