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.

“Freestyle skiing is an acrobatic form of technical and aerial skiing. It is organized into a number of different disciplines”. – Wikipedia

Photo: Freeskier Chris Booth of Australia launches off a drop during the World Heli Challenge freestyle day in backcountry at Minaret Station on July 31, 2011 in Wanaka, New Zealand. (Photo by Cameron Spencer/Getty Images)

Portugal's Diana Gomes in action during the UEFA Women's Euro England 2022 group C match between Netherlands and Portugal at Leigh Sports Village on July 13, 2022 in Leigh, United Kingdom. (Photo by Carl Recine/Reuters)

A Police officer reacts to protestors outside the Piet Retief Magistrates court where the five accused in the shooting of the Coka brothers on the Pampoenkraal farm appeared, Mhkondo, Mpumalanga, South Africa on April 19, 2021. (Photo by Jacques Nelles)

LGBT activists take part in a “Rave Pride” demanding state support for the local LGBTQ outside Ukrainian President's office in Kyiv, Ukraine on July 30, 2021. (Photo by Gleb Garanich/Reuters)

Glam revellers have proudly shown off their vaccine passports as they glammed up for a night on the town on the first day of fresh Covid restrictions in Newcastle, United Kingdom on December 15, 2021. Brits donning festive gear decided to tear up nightclub dance floors and booze in pubs despite fears over the Omicron variant. (Photo by Newcastle New Projects)

A runner competes in the Great Wall Marathon at the Huangyaguan Great Wall outside Beijing, China, May 18, 2019. (Photo by Thomas Peter/Reuters)

Charli XCX performs on day three of the Pitchfork Music Festival at Union Park on July 21, 2019 in Chicago, Illinois. (Photo by Michael Hickey/Getty Images)