In this November 12, 2015, file photo, Mt. Everest is seen from the way to Kalapatthar in Nepal. An American climber has died near the summit of Mount Everest and an Indian climber is missing after heading down from the mountain following a successful ascent, expedition organizers said Sunday. (Photo by Tashi Sherpa/AP Photo)

“Cyber Monsoon”, honorable mention in Places category. A torrential monsoon rain in Bhaktapur, Nepal. (© Anuar Patjane)

People watch the erupting craters and the lava fountains from the old lava fields around the eruption site on the Reykjanes Peninsula, in Iceland, Wednesday, August 28, 2024. (Photo by Marco di Marco/AP Photo)

A Lowrider rides on three-wheels on Sunset Blvd., in the Echo Park neighborhood of Los Angeles late Sunday afternoon July 18, 2021. (Photo by Damian Dovarganes/AP Photo)

Sarah Everhardt of the U.S. performs during the gala exhibition in the ISU Four Continents Figure Skating Championships at the Mokdong ice rink in Seoul, South Korea, Sunday, February 23, 2025. (Photo by Lee Jin-man/AP Photo)

An incredible view of daytime lightning on Saturn during one of the biggest storms the ringed planet has ever seen has been captured by a NASA spacecraft.

Photo: The huge storm which generated the lightning strike on Saturn can be seen in the top right of this image. (Photo by NASA)

“Winter shapes, Moscow river”. Moscow river at this part is never covered by ice. When the temperature is very low it's possible to see a strong fog. Morning light and pipes of the oli factory creates a fantastic landscape. Photo location: Moscow, Russia. (Photo and caption by Sergey Rumyantsev/National Geographic Photo Contest)

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.