Brazilian revelers pose during Carnival celebrations along Ipanema beach on February 18, 2012 in Rio de Janiero, Brazil. (Photo by Mario Tama/Getty Images)

Dog walkers enjoy the early morning sunrise at Tynemouth Beach in North Tyneside, on the north east coast of England on Monday, February 7, 2022. (Photo by Owen Humphreys/PA Images via Getty Images)

Andrey Karr from Western Riders Slacklines at sunset above big waves in Nazare, Portugal on December 27, 2017. (Photo by Aidan Williams/National Geographic Travel Photographer of the Year Contest)

Model Isabeli Fontana poses after the 2014 Victoria's Secret Fashion Show in London December 2, 2014. (Photo by Luke MacGregor/Reuters)

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.

Sunrise over the fields of stemmy grassland in Burscough, Lancashire, UK on September 14, 2020 with wrapped bales of hay prepared for silage, haylage for animal winter feed. (Photo by MediaWorldImages/Alamy Live News)

People watch on from Marks Park as a thunderstorm gathers off Bondi Beach on November 13, 2020 in Sydney, Australia. The Bureau of Meteorology issued a number of severe weather alerts for the region today, with a high risk of thunderstorms and hail. (Photo by Brook Mitchell/Getty Images)

A woman in a Cholita dress poses for photos, at the Uyuni Salt Flat in Bolivia on March 26, 2022. (Photo by Claudia Morales/Reuters)