In this Thursday, May 16, 2013 file photo, Finland's Krista Siegfrids, second right, kisses a dancer as she performs her song “Marry Me” during the second semifinal of the Eurovision Song Contest at the Malmo Arena in Malmo, Sweden. That was the first girl-on-girl kiss in the history of the annual competition. Previously, organizers had sought to prevent similar embraces citing the competition's status as a family event. (Photo by Alastair Grant/AP Photo)

Kayla DiCello of the U.S. in action during the Women's All-Around Final at the World Artistic Gymnastics Championships in Kitakyushu, Japan, October 21, 2021. (Photo by Kim Kyung-Hoon/Reuters)

Participants jump into the water during the 114th edition of the Copa Nadal (Christmas Cup) swimming race in Barcelona's Port Vell on December 25, 2023. The traditional 200-meter Christmas swimming race gathered around 300 participants on Barcelona's Port Vell (old harbour). (Photo by Josep Lago/AFP Photo)

Yamaha Spanish rider Alex Rins falls during the MotoGP sprint race of the Portuguese Grand Prix at the Algarve International Circuit in Portimao on March 23, 2024. (Photo by Patrícia de Melo Moreira/AFP Photo)

A participant in the “Cats Who Look Like Cows” competition wears a cowboy outfit back stage before judging on March 05, 2023 in Bangkok, Thailand. Thailand's Cat Fanciers' Club hosted a “Cats Who Look Like Cows” competition during a Cat Expo in Bangkok's Ladphro neighborhood. Over 100 cats were judged on how similarly their pattern resembled a cow, color, fur softness and personality. A relaxed, fluffy cat named Arpo took home first prize. (Photo by Lauren DeCicca/Getty Images)

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

Ketula Melo from the Imperatriz Leopoldinense samba school performs during Carnival celebrations at the Sambadrome in Rio de Janeiro, Brazil, Friday, April 22, 2022. (AP Photo/Bruna Prado)

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.