An Indian one-horned rhinoceros grazes on a dry wetland at the Pobitora Wildlife Sanctuary on the southern bank of the Brahmaputra River in Morigaon district of India's Assam state on April 4, 2025. (Photo by Biju Boro/AFP Photo)

A competitor in the carting category of the Henrik Sečnik dog mushing race in Hraše, Slovenia on April 8, 2024. Over 100 dogs and their owners from Slovenia and abroad competed in the 10th edition of this international race. (Photo by Luka Dakskobler/SOPA Images/Rex Features/Shutterstock)

Performers dressed with flower pots on their heads perform during a media preview of the Pacific National Exhibition Fair in Vancouver, British Columbia, Canada, August 15, 2024. Marking its 114th year, the Pacific National Exhibition (PNE) Fair, one of the longest running events in Canada, runs from Aug. 17 to Sept. 2 here this year. (Photo by Xinhua News Agency/Rex Features/Shutterstock)

A wild elephant that strayed into the town moves through the streets as people follow at Siliguri in West Bengal state, India, Wednesday, February 10, 2016. The elephant had wandered from the Baikunthapur forest on Wednesday, crossing roads and a small river before entering the town. The panicked elephant ran amok, trampling parked cars and motorbikes before it was tranquilized. (Photo by 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.

A woman surveys the damage after the earthquake on March 17, 2011 in Kensennuma, Japan. (Photo by Chris McGrath/Getty Images)

Heavy artillery on parade during a review of the Moscow Garrison troops during the May Day celebrations in Red Square, passing posters of Lenin and Stalin. (Photo by N. Sitnikov/Hulton Archive/Getty Images). 1st May 1947

In this Tuesday, March 17, 2015 photo, a French military plane takes off from the flight deck of the French Navy aircraft carrier Charles de Gaulle in the Persian Gulf. Aircraft aboard the French carrier are flying bombing and reconnaissance missions as part of a U.S.-led coalition targeting Islamic State militants in Iraq. (Photo by Hasan Jamali/AP Photo)