A medical worker in protective gear sprays mist on her colleague during a hot day at an outdoor clinic for coronavirus tests at a public health facility in the southwestern city of Gwangju, South Korea, 05 June 2020. (Photo by Yonhap/EPA/EFE)

A moon light illuminates the sky through the clouds over a large line of grass between some home houses in the small village of Tafalla, northern Spain, Tuesday, May 1, 2018. (Photo by Alvaro Barrientos/AP Photo)

People in a variety of colorful costumes participate in the 43rd annual Mermaid Parade at Coney Island on June 21, 2025 in New York City. The annual Mermaid Parade marks the beginning of summer in NYC and pays tribute to Coney Island’s Mardi Gras celebrations in the early 1900’s. (Photo by Craig T. Fruchtman/Getty Images)

A boy dives into the water during training in Kyiv's Liko Diving School, July 3, 2024. According to Ukraine's first lady, more than 2 million children have fled the country. The departures have impacted various sports. (Photo by Alex Babenko/AP Photo)

English television presenter Maya Jama attends The Fashion Awards 2022 at the Royal Albert Hall on December 05, 2022 in London, England. (Photo by Backgrid UK)

Gabriel of Arsenal celebrates scoring his team's third goal with teammates during the UEFA Champions League 2024/25 League Phase MD5 match between Sporting Clube de Portugal and Arsenal FC at Estadio Jose Alvalade on November 26, 2024 in Lisbon, Portugal. (Photo by Stuart MacFarlane/Arsenal FC via 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.

Medical staff react outside Queen Elizabeth Hospital during the Clap for our Carers campaign in support of the NHS, as the spread of the coronavirus disease (COVID-19) continues, in Birmingham, Britain, April 23, 2020. (Photo by Carl Recine/Reuters)