The competition, which is run by the Royal Observatory Greenwich in association with BBC Sky at Night Magazine, is now in its sixth year and has received over 2,500 entries. Photo: Centre of the Heart Nebula by Ivan Eder (Hungary). Situated 7500 light years away in the “W”-shaped constellation of Cassiopeia, the Heart Nebula is a vast region of glowing gas, energized by a cluster of young stars at its centre. The image depicts the central region, where dust clouds are being eroded and moulded into rugged shapes by the searing cosmic radiation. (Photo by Ivan Eder)

An Israeli army officer gives explanations to journalists during an army organised tour in a tunnel said to be used by Palestinian militants for cross-border attacks, July 25, 2014. (Photo by Jack Guez/Reuters)

Cemetery overcrowding is an issue that resonates around the world, particularly in its most cramped cities and among religions that forbid or discourage cremation. The reality of relying on finite land resources to cope with the endless stream of the dying has brought about creative solutions... (Photo by Rodrigo Abd/AP Photo)

Svetlana Tseyko feeds a 10-month-old moose named Grisha in the courtyard in the village of Abramy, some 160 km northwest of Minsk, on February 21, 2017. (Photo by Sergei Gapon/AFP Photo)

A Hawaiian cleaner wrasse provides its cleaning services to a yellowfin goatfish in a reef community off the Big Island in Hawaii. Cleaner species help rid their hosts of ectoparasites, dead tissue, bacteria and fungi. Studies have shown cleaning to play a vital role in keeping many reef ecosystems healthy. (Photo by Marty Snyderman/Caters News Agency)

Pakistani Hindu girls with their brother celebrate the Hindu festival 'Raksha Bandhan' at a temple in Karachi on August 30, 2023. (Photo by Rizwan Tabassum/AFP Photo)

Indian folk artists perform during the “Unboxing Bengaluru Habba” or Bangalore festival, an annual citywide festival held in front of Vidhana Soudha, the State Legislature of Karnataka, in Bangalore, India on December 10, 2023. The Bengaluru festival showcases folk dance and cultural diversity that have shaped Bengaluru into a vibrant metropolis. (Photo by Jagadeesh N.V./EPA/EFE)

People look on at the side of a road as Toyota Gazoo Racing WRT's British driver Elfyn Evans steers his Toyota GR Yaris Rally1 Hybrid with British co-driver Scott Martin while arriving to Naivasha ahead of the second day of the World Rally Championship (WRC) Safari Rally Kenya in Naivasha, on March 28, 2024. (Photo by Luis Tato/AFP Photo)