A gallery worker poses with work by artist Elinor Stanley during a press preview of The RA Schools Show 2023 at the Royal Academy of Arts in London, Britain, 08 June 2023. The RA Schools Show 2023 runs from 08 to 25 June 2023 at the Royal Academy of Arts in London. (Photo by Neil Hall/EPA)

Canadian fashion model Winnie Harlow at Atlantis The Royal's Dolce&Gabbana x Ounass takeover at Cloud 22 on October 05, 2025 in Dubai, United Arab Emirates. (Photo by Cedric Ribeiro/Getty Images for Atlantis The Royal/ Dolce&Gabbana x Ounass)

Two Iranian women walk past a mural depicting a flying dove at a street in Tehran, Iran, 01 November 2021. The Iranian Ministry of Foreign Affairs announced that the Islamic Republic is ready to return to nuclear talks in Vienna before the end of November. Iran also proposed to the US administration to lift the sanctions and to start negotiations. Iran is facing an economic crisis under US heavy sanctions following the United States' withdrawal from a nuclear deal in 2018. (Photo by Abedin Taherkenareh/EPA/EFE)

A dress rehearsal for the world premiere of Birmingham Royal Ballet’s Luna at the Hippodrome in Birmingham, UK on October 2, 2024. (Photo by Elliott Franks/The Times)

Britain’s Kate, Princess of Wales, center, smiles as she wears an inflatable life vest during a visit at the Royal Naval Air Station (RNAS) Yeovilton, near Yeovil in Somerset, England, Monday, September 18, 2023. The Royal Naval Air Station Yeovilton is one of the Royal Navy's two principal air stations and one of the busiest military airfields in the UK. (Photo by Ben Birchall/PA Wire via AP Photo)

Gorillas at Royal Burgers’ Zoo, Arnhem, Netherlands, on November 28, 2013. (Photo by Vidi Photo/Startraks Photo New York)

A girl plays with pigeons in front of Royal Palace in Phnom Penh, Cambodia on February 24, 2023. (Photo by Tang Chhin Sothy/AFP Photo)

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.