People participate in the first day of Thingyan Water Festival in Naypyitaw, Myanmar on April 13, 2018. The annual water festival, known as Thingyan, features large groups of people congregating to celebrate the by splashing water and throwing powder at each other's faces as a symbol of cleansing and washing away the sins from the old year. It marks the start of the traditional New Year and is similarly celebrated in countries such as Myanmar, Thailand, Laos and Cambodia. (Photo by Hein Htet/EPA/EFE/Rex Features/Shutterstock)

An art installation called “Double Ducks” by Dutch artist Florentijn Hofman is seen at Victoria Harbour in Hong Kong, Friday, June 9, 2023. Two giant inflatable ducks made a splash in Hong Kong's Victoria Harbor on Friday, marking the return of a pop-art project that sparked a frenzy in the city a decade ago. (Photo by Louise Delmotte/AP Photo)

Sümi women gesture as they line up to perform a traditional Sümi rice pounding folk song called “Thishole” during Western Sumi Torimi Hoho Silver Jubilee at Thilixü Village in Chumoukedima district, India north eastern state of Nagaland on June 7, 2023. Altogether 1400 Sülimis perform their traditional rice pounding folk song to mark their 25th Anniversary. (Photo by Caisii Mao/Rex Features/Shutterstock)

Indian army training cadets perform “Kalaripayattu”, an ancient martial art from Kerala, during a combined display ahead of their graduation ceremony, at the Officers Training Academy (OTA), in Chennai, India on September 8, 2023. A combined display of training proficiency was organized at the OTA as a prelude to a passing-out parade of cadets. The combined display marks the culmination of the adventure training and showcases the skills and expertise of armed forces display teams. (Photo by Idrees Mohammed/EPA/EFE)

Astana Qazaqstan Team's British rider Mark Cavendish cycles past spectators in inflatable costumes during the 7th stage of the 111th edition of the Tour de France cycling race, 25,3 km individual time trial between Nuits-Saint-Georges and Gevrey-Chambertin, on July 5, 2024. (Photo by Anne-Christine Poujoulat/AFP Photo)

Jason Arnold, project manager from solarcentury walks between lines of solar panels erected at Weighbridge, Wheal Jane, Baldhu on July 7, 2011 near Truro, England. A ceremony was held today to mark the connection of the 1.4kw solar farm, which on a 6.2 acre plot is the first in the South West and biggest in the UK to date, using 5,680 panels. (Photo by Matt Cardy/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.

A woman watches the St. Patrick's day parade in Dublin, Ireland on March 17, 2017. St. Patrick's Day is marked annually on 17 March to commemorate Saint Patrick, a patron saint of Ireland. (Photo by Clodagh Kilcoyne/Reuters)