A child reacts as a family takes a break next to a cooling mist at the Sensoji temple as Japanese government issued heat stroke alerts in 39 of the country's 47 prefectures in Tokyo, Japan on July 22, 2024. (Photo by Issei Kato/Reuters)

A female jaguar named Ti, by the NGO Jaguar ID, bites an alligator at Encontro das Aguas State Park, in the Pantanal, the largest wetland in the world, in Pocone, Mato Grosso, Brazil, on October 10, 2024. (Photo by Sergio Moraes/Reuters)

Models wear creations as part of the Dolce & Gabbana women's Spring Summer 2024 collection presented in Milan, Italy, Saturday, September 23, 2023. (Photo by Antonio Calanni/AP Photo)

Smoke billows from Mt. Etna volcano, as seen from an area near the village of Sant'Alfio, north of Catania, Sicily, southern Italy, Sunday, November 12, 2023. (Photo by Salvatore Allegra/AP Photo)

Members of the Mahogany Blue Baby Dolls including Victoria “Lady Lotus” Spotts (C) march in the 25th Anniversary Satchmo Salute second line parade, honoring New Orleans jazz legend Louis Armstrong, on August 3, 2025 in New Orleans, Louisiana. Revelers marched from historic St. Augustine Catholic Church in the Tremé neighborhood to the New Orleans Jazz Museum where Satchmo Summerfest is being held. (Photo by Mario Tama/Getty Images)

American singer-songwriter and rapper Janelle Monáe at Richie Akiva's 10th Annual “The After” Met Gala After Party held at Casa Cipriani on May 6, 2024 in New York, New York. (Photo by Daniel Zuchnik/WWD 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.

Fishermen pull up a live 2.5 metre crocodile in their net in the Western Amazon region, Brazil on September 20, 2017. The fishermen were fishing for a large river fish called Arapaima but sometimes crocodiles become stuck in the nets as well. (Photo by Carl de Souza/AFP Photo)