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Images Dated 29th July 2002

Available as Framed Photos, Photos, Wall Art and Gift Items

Choose from 9 pictures in our Images Dated 29th July 2002 collection for your Wall Art or Photo Gift. Popular choices include Framed Photos, Canvas Prints, Posters and Jigsaw Puzzles. All professionally made for quick delivery.

White dwarf star Featured 29 Jul 2002 Print

White dwarf star

White dwarf star. Artwork of an accretion disc(blue/white) around a white dwarf star (paleblue). A white dwarf is the final stage in theevolution of most stars. A star with a mass lessthan 1.4 times that of our Sun is thought to forma white dwarf. After it has used all its nuclearfuel, its outer layers escape into space, leavingthe dense core behind as a white dwarf. It has themass of a star compressed into the size of aplanet. The strong gravitational field this causesattracts matter from surrounding space, whichforms an accretion disc around the rotating star.The disc is heated by friction where it meets thestar, causing it to glow brightly

© Mark Garlick/Science Photo Library