June 21: “World War Z”. Brad Pitt battles zombie apocalypse in $170 million film by “Quantum of Solace” director Marc Forster. This publicity photo released by Paramount Pictures shows, center, Brad Pitt as Gerald Lane in a scene from the film, “World War Z”, from Paramount Pictures and Skydance Productions in association with Hemisphere Media Capital and GK Films. (Photo by Jaap Buitendijk/AP Photo/Paramount Pictures)

The Royal Observatory just announced its Astronomy Photographer Of The Year 2013 winners. Australian photographer Mark Gee was chosen among a thousand amateur and professional photographers around the globe to win the top title. His work is part of an exhibition of the winning photographers, which opened on Sept. 19 at the Royal Observatory Greenwich. The Royal Observatory shared with us the winners and notable mentions of the competition. Their descriptions of the prizewinners can be found below the images.

Jakelyne Oliveira, Miss Brazil 2013 performs onstage during the Miss Universe 2013 preliminary competition in Moscow, Russia, 05 November 2013. The final of the 2013 Miss Universe Pageant will take place at the Crocus City Hall in Moscow on 09 November. (Photo by Sergei Ilnitsky/EPA)

Lady Gaga performs at Radio 1's Big Weekend 2011 at Carlisle Airport on May 15, 2011 in Carlisle, England. (Photo by Dave Hogan/Getty Images)

“A guide horse is an experimental mobility option for blind people who do not wish to or cannot use a guide dog. They are provided by The Guide Horse Foundation, founded in 1999 to provide miniature horses as assistance animals to blind users living in rural environments”. – Wikipedia

Photo: Shari Bernstiel, of Lansdale, Pennsylvania is helped along the sidewalk by Tonto, her guide horse March 19, 2004 in Lansdale, Pennsylvania. Tonto, a minature horse who went through one year of training, acts as Sheri's seeing eye dog and is one of three working guide horses in the United States. (Photo by William Thomas Cain/Getty Images)

This young boy wrestled with his emotions at the National Children’s Sumo ­Tournament in Tokyo on July 30, 2012. (Photo by AP Photo/LaPresse)