Swab Cadet Langton reads the Running Light guidebook as members of the US Coast Guard academy class of 2026 report for the first day of Swab Summer, a seven-week training programme designed to transform civilian students into military members, in Connecticut on June 27, 2022. The Swabs, as the new cadets are called, cycle through haircuts, uniform issue, drill practice and various administrative in-processing over the course of the day. (Photo by Sean D. Elliot/AP Photo)

An abortion rights demonstrator covered in fake blood during an “Abortion is Freedom” rally outside the US Supreme Court in Washington, D.C., US, on Monday, July 4, 2022. Last month the Supreme Court overturned the 1973 Roe v. Wade decision and wiped out the constitutional right to abortion, leaving it to individual states to decide whether abortions are allowed. (Photo by Ting Shen/Bloomberg via 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)

Peasants celebrate a traditional festival “Corpus Cristhi” since the time of the conquest, in Anolaima in the department of Cundinamarca, Colombia on June 29, 2022. Peasants collect all kinds of fruits and assemble great representative figures in gratitude to God for this festival. (Photo by Yair Suarez/Anadolu Agency via Getty Images)

Competitors make their way up Heartbreak Hill during the 2022 City to Surf on August 14, 2022 in Sydney, Australia. (Photo by Jenny Evans/Getty Images)

A young Ukrainian woman wears an ear of grain braid during a traditional Ukrainian celebration of Kupalo Night, in Warsaw, Poland, on Saturday, June 22, 2024. Ukrainians in Warsaw jumped over a bonfire and floated braids to honor the vital powers of water and fire on the Vistula River bank Saturday night, as they celebrated their solstice tradition of Ivan Kupalo Night away from war-torn home. (Photo by Czarek Sokolowski/AP Photo)

A hot air balloon in the likeness of Yoda from Star Wars prepares for liftoff at the 21st Philippine International Hot Air Balloon Festival at the former Clark US Air Force base in Pampanga Province, Philippines on February 9, 2017. (Photo by Xinhua News Agency/Rex Features/Shutterstock)

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.