A young patient with relatives watches through a window as a Russian emergency rescue student dressed as Snegurochka (Snow Maiden) perform, outside the Morozov Children's City Clinical Hospital marking the upcoming New Year and Christmas celebrations in Moscow, Russia, Sunday, December 19, 2021. (Photo by Alexander Zemlianichenko Jr./AP Photo)

A day-old lamb exploring new surroundings on the vernal equinox, considered the first day of spring, on March 20, 2019 at Coombes Farm in Lancing, England. (Photo by Andrew Hasson/Getty Images)

A grey seal basks under a rainbow on a beach on the Lincolnshire coast, England on November 21, 2017. (Photo by Sean Weekly/Caters News Agency)

A reflection on waste liquid shows a tourist walking near the Blue mosque at the Sultanahmet Square on the first day of the Muslim fasting month of Ramadan in Istanbul on April 13, 2021. (Photo by Ozan Kose/AFP Photo)

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.

Participants of the Cologne Pride rally pose in front of the Cathedral in Cologne, Germany, Sunday, July 3, 2022. This year's Christopher Street Day (CSD) Gay Parade with thousands of demonstrators for LGBTQ rights is the first after the coronavirus pandemic to be followed by hundreds of thousands of spectators in the streets of Cologne. (Photo by Martin Meissner/AP Photo)

A vendor prepares paan, a betel nut-based chewable stimulant at a flower market in Kolkata, India, January 18, 2016. (Photo by Rupak De Chowdhuri/Reuters)

Pakistani street performers sit around fire waiting for customers on a chilly evening in Rawalpindi, Pakistan, Wednesday, February 10, 2016. (Photo by B.K. Bangash/AP Photo)