A girl walks past outside a house damaged by tidal waves at Meulaboh beach in Aceh province on July 12, 2020. (Photo by Chaideer Mahyuddin/AFP Photo)

People run for cover following an explosion in Beirut's port area, Lebanon on August 4, 2020. A mega-blast tore through the harbour in the heart of the Lebanese capital with the force of an earthquake, killing more than 100 people and injuring over 4,000. (Photo by Mohamed Azakir/Reuters)

A man crosses a mud-covered trail carrying his wife on his back at a flooded Han River park in Seoul, South Korea, August 4, 2020. (Photo by Kim Hong-Ji/Reuters)

Models play with a dog backstage at the Missoni Spring/Summer 2020 show during the Milan Fashion Week on September 21, 2019 in Milan, Italy. (Photo by Rex Features/Shutterstock)

A demonstrator gestures as she talks with a Lebanese army member during a protest as Lebanon marks the two-year anniversary of the August 2020 Beirut port explosion, in Beirut, Lebanon on August 4, 2022. (Photo by Mohamed Azakir/Reuters)

Demonstrators argue in front of the Louisville Metro Hall on September 5, 2020 in Louisville, Kentucky. Ahead of the Kentucky Derby, demonstrators clashed over recent looting and destruction in the area and the death of Breonna Taylor, who was fatally shot by Louisville Metro police officers during a no-knock raid at her apartment on March 13, 2020. (Photo by Brandon Bell/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 visitor poses behind the artwork “Convergence” by artist Masarrat Fatima M Sulaimani and curated by Samar Kamel at the World Art Dubai fair at the Dubai World Trade Centre in the Gulf Emirate of Dubai, United Arab Emirates, 08 October 2020. Around 2,000 art pieces are displaying at the sixth edition of the World Art Dubai fair which is running from 08 to 10 October 2020. (Photo by Ali Haider/EPA/EFE)