Police intervene as two women fight at a pro-law enforcement rally that clashed with counter protesters demonstrating against racial inequality, in Denver, Colorado, U.S. July 19, 2020. (Photo by Kevin Mohatt/Reuters)

Mei Hoshizuki and AZM compete during the Women's Pro-Wrestling “Stardom” at Korakuen Hall on September 28, 2020 in Tokyo, Japan. (Photo by Etsuo Hara/Getty Images)

A supporter of U.S. President Donald Trump fights with counter protesters during a march in response to various pro-Trump rallies held throughout D.C., in Washington, U.S., December 12, 2020. (Photo by Leah Millis/Reuters)

Sareee and Chihiro Hashimoto compete during the Women's Pro-Wrestling “Sareee-ISM” at Shinjuku FACE on May 16, 2023 in Tokyo, Japan. (Photo by Etsuo Hara/Getty Images)

Eli Hanneman of Hawaii surfs in Heat 2 of the Round of 64 at the Ballito Pro on July 3, 2023 at Ballito, Kwazulu-Natal, South Africa. (Photo by Pierre Tostee/World Surf League via Getty Images)

France's Alice Finot celebrates next to the mascot winning silver in the Women's 3000m final at the 2021 European Athletics Indoor Championships in Torun on March 5, 2021. (Photo by Aleksandra Szmigiel/Reuters)

Palmeiras' Gustavo Scarpa celebrates with the trophy after winning the Paulista Championship in Sao Paulo, Brazil, April 3, 2022. (Photo by Amanda Perobelli/Reuters)

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.