Over the coming weeks we will feature, in no particular order, each of the final 16 selected images and winners will be announced by Royal Museums Greenwich on 17 September. The winning images are to be showcased at the Royal Observatory Greenwich in an exhibition opening 18 September.
The Southern Cross constellation of the Milky Way, visible in the southern sky creates a guiding light along Bucklands Lane in Central Goldfields Shire, Victoria, Australia.
Analysis of near-infrared data from the European Southern Observatory’s VISTA telescope provides evidence for a dark-matter-dominated dwarf galaxy 300,000 light-years away predicted to exist in 2009.
A stunning juxtaposition of an ethereal solar system body, long-period comet C/2014 E2 Jacques, and the vast, heart-shaped emission nebula IC 1805, some 7,500 light-years away in the constellation Cassiopeia — winning image of the Planets, Comets & Asteroids category in the Insight Astronomy Photographer of the Year competition 2015.