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.

An aerial view shows the 11/19 pit and twin slag heaps at the former coal mine site in Loos-en-Gohelle, northern France, November 1, 2015. Loos-en-Gohelle, a town of 7000 inhabitants in the North of France, marked by the closure of coal mines in 1970, has demonstrated a successful transition from coal to a green economy. (Photo by Pascal Rossignol/Reuters)

Performers during the New Year's Day Parade in London on Monday, January 1, 2024. (Photo by Victoria Jones/PA Images via Getty Images)

Cosplayers attend Comic-Con International in San Diego, California on July 27, 2024. (Photo by Sandy Huffaker/Reuters)

Cadets of the Sikh Regimental Center perform Gatka martial stunts during a combined display ahead of a graduation ceremony at the Officers Training Academy, in Chennai on October 28, 2022. (Photo by Arun Sankar/AFP Photo)

Taliban security forces ride horses along the Qargha Lake on the outskirts of Kabul on May 11, 2023. (Photo by Wakil Kohsar/AFP Photo)

A Saudi trader wears a mask as he monitors stock information at the Saudi stock market in Riyadh, Saudi Arabia on August 25, 2020. (Photo by Ahmed Yosri/Reuters)

Starlings gather on power lines at dusk, Friday, October 21, 2022, in Overland Park, Kan. (Photo by Charlie Riedel/AP Photo)