A student walks past on the broken bridge hit by a river overflow following floods in Jaranih village, Central Hulu Sungai, South Kalimantan province, Indonesia on November 17, 2021. (Photo by Bayu Pratama S./Antara Foto via Reuters)

A fisherman struggles to push a wheelbarrow full of sharks that have just been dropped off a pirogue on the beach of Songolo, the fishing district of Pointe-Noire in the Republic of the Congo in November 2021. Many artisanal fishing crews on the Congolese coast specialise in shark fishing (Photo by Marco Simoncelli/Al Jazeera)

Revelers perform during the Myths and Legends parade in Medellin, Antioquia department, Colombia on December 8, 2021. (Photo by Joaquin Sarmiento/AFP Photo)

Four-year-old Riley Gillet, of Orlando, lights a candle with her family, marking the beginning of the traditional Jewish holiday of Hanukkah, during the Chabad of Greater Orlando's “Chanukah on the Park” celebration in Winter Park, Fla., late Sunday, November 28, 2021. Held at Central Park, the event included the lighting of a giant menorah, live performers, music and dancing. Jews worldwide will celebrate Hanukkah through Dec. 6. (Photo by Joe Burbank/Orlando Sentinel via AP Photo)

Aymara indigenous people celebrate the “Roscasiri”, the change of command of local authorities, in Pomata District, one of seven districts of the Chucuito Province in the Puno Region, southern Peru, on January 1, 2022. This ancient Aymara event, in which people adorn themselves with breads and fruits that represent abundance for the new year, celebrates the change of command of local authorities. (Photo by Carlos Mamani/AFP Photo)

Nigerian make-up artist, Mary Oni, creates artwork on her chest using make-up, in her home in Lagos, Nigeria on January 26, 2022. (Photo by Seun Sanni/Reuters)

Models walk the runway for Sergio Hudson during New York Fashion Week: The Shows at Spring Studios on February 13, 2022 in New York City. (Photo by Noam Galai/Getty Images for NYFW: The Shows)

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.