Austrian artist Erwin Wurm on Thursday, June 8, 2023 with his work Truck II, 2011, as he presents first UK museum exhibition and his largest show to date featuring over 100 works indoors and in the landscape at Yorkshire Sculpture Park, Wakefield. (Photo by Danny Lawson/PA Images via Getty Images)

A Ukrainian mortar crew in the last decade of April 2024 fires a 120mm round at the Russian positions as soldiers defend the city situated halfway between Bakhmut and Kostyantynivka, which has become the primary target of Russian attacks. (Photo by Anadolu/Getty Images)

A Ukrainian serviceman smiles on May 21, 2024 during a moment of calm in the southeastern town of Orikhiv, Zaporizhzhia, which has been heavily damaged by Russian military strikes. (Photo by Reuters/Stringer)

Actress Shae Mitchell arrives at REVOLVE Desert House on April 16, 2016 in Thermal, California. (Photo by Ari Perilstein/Getty Images for A-OK Collective, LLC.)

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.

Lilly Caron, 8, of Bridgeton, Maine, Jason Homchick, of San Diego, and Lilly's father Jason Caron, (obscured), ride the Sky Swing at Seacoast Adventure, Thursday, July 14, 2016, in Wyndham, Maine. The 100-foot-tall swing gives riders the combined thrills of sky diving and hang gliding. (Photo by Robert F. Bukaty/AP Photo)

An unidentified guest wears a hat with a lion at the Grand Palais which is transformed into a Chanel airport before German designer Karl Lagerfeld's Spring/Summer 2016 women's ready-to-wear collection for French fashion house Chanel during Fashion Week in Paris, France, October 6, 2015. (Photo by Benoit Tessier/Reuters)

A person reacts during an anti-war protest, after Russia launched a massive military operation against Ukraine, in Moscow, Russia on February 24, 2022. (Photo by Evgenia Novozhenina/Reuters)