A Harlequin Great Dane named H and a Chihuahua named Boo during a photo call for the launch of this year's Crufts, at the National Exhibition Centre (NEC) in Birmingham, United Kingdom on Tuesday, March 7, 2023. (Photo by Jacob King/PA Images via Getty Images)

Shi'ite Muslim girls take part in a mourning procession to mark Ashura, the holiest day on the Shi'ite Muslim calendar, in Istanbul, Turkey, on July 16, 2024. (Photo by Dilara Senkaya/Reuters)

Cast membe, Japanese actress Aoi Yamada poses during a photocall for the film “Perfect Days” during the 76th edition of the Cannes Film Festival in Cannes, southern France, on May 26, 2023. (Photo by Gonzalo Fuentes/Reuters)

A passenger jeepney commutes through a flooded street in Manila on September 5, 2024, caused by heavy rains due to the southwest monsoon influenced by Tropical Storm Yagi which hit the main island of Luzon on September 2. (Photo by Ted Aljibe/AFP Photo)

“Unexpected humour”. The Dog and the Faucet, in Kolkata, India on January 2017. (Photo by Pau Buscató/The Guardian)

Girls prepare to take part in a mermaid lesson in Rio de Janeiro, Brazil May 28, 2017. Women in Brazil are not unique in their affinity for mermaiding. Classes are held as far away as Texas and some folks wonder if mermaiding will be the next fitness craze. (Photo by Pilar Olivares/Reuters)

Betty Bachz is seen outside of the Furla store launch party on February 2, 2017 in London, England. (Photo by FameFlynet)

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.