The Royal Observatory's annual Astronomy Photographer of the Year competition has produced some incredible photographs.
They include a look at swirling gases on the Sun and a night sky filled with a shimmering, green aurora.
There were hundreds of entries from 51 countries around the world, showcasing the cosmos beyond our planet.
Astronomer judges Dr Maggie Aderin-Pocock, from the BBC's Sky at Night, and Marek Kukula made a shortlist of 20 winning photographs.
Categories included; Earth and Space, Deep Space and Our Solar System.
There was also a Young Astronomy Photographer of the Year category won by Shishir and Shashank Dholakia, aged 15 from the USA.
Images from the Astronomy Photographer of the Year 2014 can be seen at the Royal Observatory Greenwich, London, until 22 February 2015.
Images by: Patrick Cullis (Moon Balloon), Catalin Beldea (Totality from above the clouds), Rogelio Bernal Andreo (California vs Pleiades), David Fitz-Henry (The Helix Nebula), Matt James (Wind Farm Star Trails), O Chul Kwon (Venus-Lunar Occultation), George Tarsoudis (Best of the Craters), Alexandra Hart (Solar Nexus), Stephen Ramsden (Calcium K Eruption), Alexandra Hart (Ripples in a Pond), Olivia Williamson (The Martian Territory), Emmett Sparling (New Year over Cypress Mountain), Eugen Kamenew (Hybrid Solar Eclipse), Chris Murphy (Coastal Stairways), J P Metsavainio (Veil Nebula Detail), Bill Snyder (Horsehead Nebula), James Woodend (Aurora over a Glacier Lagoon)
All images subject to copyright.