Images Dated 31st July 2003

New Brighton, BR (LMR) poster, c 1950s

British Railways (London Midland Region) promoting the resort of New Brighton near Wallasey on the Cheshire Coast. Artwork by L A Wilcox

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Eastbourne, SR poster, 1929

Poster produced for the Southern Railway advertising express services and cheap fares to the Sussex coastal resort of Eastbourne. The image shows the resort as seen from a pier, where men and women are shown walking. The beach, promenade and hills are seen in the background, and two flags are flying. Artwork by Kenneth D. Shoesmith (1890- 1939). Printed by Waterlow & Sons Ltd, London, Dunstable and Watford

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Artwork of a black hole at the centre of a galaxy

Black hole. Artist's impression of a large black hole (at lower centre) located at the centre of an active galaxy. Around the hole are numerous stars, a glowing accretion disk and a vertical jet of gas. An accretion disk forms as the rapidly- rotating black hole imparts angular momentum by gravitational effects to matter falling towards it. The matter forms a large, spiral disc which is compressed and heated so that it begins to glow, emitting photons. The accretion disk becomes so hot that radiation pressure from the photons force out 2 jets of gas at the black hole's poles almost at the speed of light. Active galaxies emit large amounts of energy from a source at their centre

© JULIAN BAUM/SCIENCE PHOTO LIBRARY