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.
While truly massive stars go out in a blaze of glory, intermediate-mass stars — those between roughly one and eight times the mass of the Sun — are somewhat quieter. Such stars eventually form cosmic objects known as planetary nebulae, so named because of their vague resemblance to planets when seen through early, low-resolution telescopes.
To preserve the sense of the Moon caught at exactly at half phase, Hungarian astrophotographer András Papp carefully balanced multiple images of the darkened hemisphere, terminator and illuminated face of the Moon, all recorded on the same night — winning image of the Our Moon category in the Insight Astronomy Photographer of the Year competition 2015.
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