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.

The graffiti against the war in Ukraine of the street artist ChemiS in Prague, Czech Republic, March 19, 2022. (Photo by Amos Chapple/Radio Free Europe/Radio Liberty)

Participants take part in the 14th annual “No Trousers Tube Ride” event on the London Underground on January 12, 2025. The event, staged by Improv Everywhere, takes place every January in New York City and has since expanded internationally. What began as a small prank with just seven participants has grown into a global celebration of silliness, with dozens of cities, including London, joining in each year. (Photo by Guy Bell/Alamy Live News)

Magdalena Vasquez, also known as “Bgirl Mags” (R) and Chris Cielo, also known as “Bboy Cielo” (L) perform during a media call for the Red Bull BC One breakdancing competition at the Brisbane Powerhouse in Brisbane, Australia, 01 July 2025. The world's biggest one-on-one breakdancing competition, the Red Bull BC One have announced Brisbane as the host city for the 2025 Red Bull BC One Cypher Australia. (Photo by Darren England/EPA)

Roxy, a Red Labradoodle, Jaku, a Black and Tan Lurcher, Kobe, a White German Shepherd, Rocky, a Black and Tan German Shepherd, and Busy, an English Springer Spaniel Cross, queue outside an Aldi store in Hinckley, Leicestershire, UK on Monday, December 1, 2025. (Phoot by Lucy Ray/PA Media Assignments)

American actress and model Julia Fox is seen on the 'One Night Only' movie set at the 'White Horse Tavern' in the West Village, Manhattan on December 02, 2025 in New York City. (Photo by Jose Perez/Bauer-Griffin/GC Images)

Cars sit abandoned in a former shopping centre in the United Nations buffer zone in central Nicosia March 12, 2014. The cars were imported from Japan to be sold at a Toyota dealership. They were stored here during the 1974 conflict and have not been moved since. (Photo by Neil Hall/Reuters)

People help a woman overwhelmed by emotion and the heat during the mass funeral, attended by tens of thousands of mourners, of 613 coffins of newly-identified victims of the 1995 Srebrenica massacre at the Potocari cemetery and memorial near Srebrenica on July 11, 2011 in Potocari, Bosnia and Herzegovina. (Photo by Sean Gallup/Getty Images)