Emma Raducanu of the United Kingdom looks on during a women's singles match against Anna Kalinskaya on day 6 of the Mubadala Citi DC Open 2025 at William H.G. FitzGerald Tennis Center on July 26, 2025 in Washington, DC. (Photo by Scott Taetsch/Getty Images)

American singer Sabrina Carpenter performs onstage at the 2024 Coachella Valley Music and Arts Festival at Empire Polo Club on April 12, 2024 in Indio, California. (Photo by Emma McIntyre/Getty Images for Coachella)

Dancers in mirrorball costumes dance with festival-goers during day two of Glastonbury Festival 2024 at Worthy Farm, Pilton on June 27, 2024 in Glastonbury, England. Founded by Michael Eavis in 1970, Glastonbury Festival features around 3,000 performances across over 80 stages. Renowned for its vibrant atmosphere and iconic Pyramid Stage, the festival offers a diverse lineup of music and arts, embodying a spirit of community, creativity, and environmental consciousness. (Photo by Leon Neal/Getty Images)

A man looks at a statue of the Greek god Poseidon on a beach during the passage of tropical storm Beryl in Progreso, on the Yucatan Peninsula, Mexico, on July 5, 2024. Beryl weakened to a tropical storm Friday after hitting Mexico as a Category 2 hurricane, with fierce winds causing material damage but no injuries along the tourist-rich Yucatan Peninsula. (Photo by Hugo Borges/AFP Photo)

Ravers dance around Love Mobiles during the 22nd edition of the Lake Parade in Geneva, Switzerland, 20 July 2024. (Photo by Salvatore Di Nolfi/EPA/EFE)

Participants react as they try to reach the top of a greased pole to collect the prizes, during a “Panjat Pinang” competition, that is held to celebrate Indonesia's 79th Independence Day at Ancol in Jakarta, Indonesia, on August 17, 2024. (Photo by Ajeng Dinar Ulfiana/Reuters)

Papai Simon Ole Mamai of the Maasai Cricket Warriors team from Kenya runs during a match against English team “The Shed” during “The Last Man Stands” cricket tournament at Dulwich sports ground in South London September 1, 2013. (Photo by Philip Brown/Reuters)

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.