Jasmine Paolini hits a forehand during her first-round US Open match on Sunday, August 24, 2025 at USTA Billie Jean King National Tennis Center in the Flushing neighborhood of the Queens borough of New York City. (Photo by Ray Giubilo)

British-American actress Anya Taylor-Joy sticks out her tongue as she poses during a photocall for the film “Furiosa: A Mad Max Saga” at the 77th edition of the Cannes Film Festival in Cannes, southern France, on May 16, 2024. (Photo by Christophe Simon/AFP Photo)

Shoes worn by cosplayer dressed as Elizabeth Goddess during the Otamatsuri Anime x Manga convention held in Nairobi, Kenya on August 24, 2023. (Photo by Sarah Waiswa/The Guardian)

A young girl pulls on her braids during the Red Head Days festival in Tilburg, Netherlands, Saturday, August 30, 2025. (Photo by Virginia Mayo/AP Photo)

A Chinkara gazelle fawn rests in the plumage of a peacock at an animal rescue center on a hot summer day in Bikaner, Rajasthan, India, Thursday, May 23, 2024. (Photo by Dinesh Gupta/AP Photo)

A protester blows bubbles at police during protests at the Land Forces 2024 arms fair in Melbourne on September 12, 2024. (Photo by William West/AFP Photo)

A Humboldt penguin stands on weighing scales whilst being photographed by members of the press during a photocall at the annual weigh-in at London Zoo in London, Britain, 24 August 2016. Every animal that is in the zoo is weighed and measured and the statistics recorded so the data can be shared with zoos across the world. (Photo by Hannah McKay/EPA)

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.