Astronomy with a helping of physics and a pinch of the other sciences.
Astronomy Photographer of the Year 2013: Deep Space
Winner: Celestial Impasto: sh2–239 by Adam Block (USA).
Runner-up: Rho Ophiuchi and Antares Nebulae by Tom O’Donoghue (Ireland).
Highly Commended: Floating Metropolis – NGC 253 by Michael Sidonio (Australia); Omega Centauri by Ignacio Diaz Bobillo (Argentina); M81–82 and Integrated Flux Nebula by Ivan Eder (Hungary).
Via Royal Museums Greenwich