Ary Borges feeds his tiger named Dan at his home in Maringa, Brazil, Thursday, September 26, 2013. Borges is in a legal battle with federal wildlife officials to keep his endangered animals from undergoing vasectomies and being taken away from him. He defends his right to breed the animals and says he gives them a better home than they might find elsewhere in Brazil. (Photo by Renata Brito/AP Photo)

The competition, which is run by the Royal Observatory Greenwich in association with BBC Sky at Night Magazine, is now in its sixth year and has received over 2,500 entries. Photo: Centre of the Heart Nebula by Ivan Eder (Hungary). Situated 7500 light years away in the “W”-shaped constellation of Cassiopeia, the Heart Nebula is a vast region of glowing gas, energized by a cluster of young stars at its centre. The image depicts the central region, where dust clouds are being eroded and moulded into rugged shapes by the searing cosmic radiation. (Photo by Ivan Eder)

A caretta caretta pup is seen at Cirali Beach as they in a process of hatching and meeting the sea in Kemer district of Antalya, Turkey on July 22, 2020. 6 caretta caretta pups came out of the nest opened by the officials met the sea in the early morning. (Photo by Mustafa Ciftci/Anadolu Agency via Getty Images)

Flight attendants of Zhejiang Loong Airlines undergo rigorous posture training on March 14, 2022 in Hangzhou, Zhejiang Province of China. A total of 300 flight attendants received an etiquette training, including 13 courses for Hangzhou 2022 Asian Games, which will be held from Sept. 10 to 25, 2022 in Hangzhou. (Photo by Wang Gang/China News Service via Getty Images)

A CatCon attendee poses at CatCon LA 2023 at Pasadena Convention Center on August 06, 2023 in Pasadena, California. (Photo by Sarah Morris/Getty Images)

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.

Two children jumping through a water hydrant's shower on a New York street. They have come from a neighbouring co-educational playgroup organised by the city's Police Department. (Photo by Orlando/Getty Images). 1950