A demonstrator gestures during protests around the Argentine Parliament in Buenos Aires, Argentina, 10 March 2022. Serious disturbances were registered in the surroundings of the seat of the Argentine Parliament when demonstrators protesting against the new agreement with the International Monetary Fund (IMF) clashed with the police of the city of Buenos Aires. (Photo by Juan Ignacio Roncoroni/EPA/EFE)

Pasua Turner jumps double dutch as people take part in a Juneteenth event along Black Lives Matter Plaza on Monday June 19, 2023 in Washington, DC. (Photo by Matt McClain/The Washington Post)

A captive elephant is made to swim for visitors at Khao Kheow Open Zoo in Chonburi province, Thailand on September 15, 2024. (Photo by Lillian Suwanrumpha/AFP Photo)

A man presents a self-made robot that local media reported is able to carry a person, in Heihe, Heilongjiang province, China, April 5, 2017. (Photo by Reuters/China Daily)

Apple CEO Tim Cook discusses the new iPhone 6 and iPhone 6 plus on Tuesday, September 9, 2014, in Cupertino, Calif. The iPhone 6 will have a screen measuring 4.7 inches, while the iPhone 6 Plus will be 5.5 inches. (Photo by Marcio Jose Sanchez/AP Photo)

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.

Amundsen-Scott South Pole Station experiences months of darkness. The sun dips below the horizon on March 21, after which follows several weeks of twilight before complete darkness results. Photo taken on June 25, 2009. (National Science Foundation/Jeremy Johnson)

Visitors buy flowers at a flower market on the eve of Hindu goddess Durga Puja festival in Bangalore, India, 10 October 2016. The nine-day Hindu festival celebrates the killing of a demon king by the Goddess Durga representing the victory of good over evil and ends with colourful celebrations all over the country. Navratri festival runs from 03 to 11 October. (Photo by Jagadeesh N.V./EPA)