Creative AP I    SCIPHO f0041181

f0041181

Image showing the stages in the life and death of a star system, and its cyclical nature. At right we see a star exploding at the end of its life, a supernova. As the debris cloud expands it forms a diffuse nebula and joins the other gases in the interstellar medium. Later, due to turbulence and random motions in the interstellar medium, dense knots appear -- regions that are denser than others (bottom left). Regions such as these undergo gravitational contraction and lead to the creation of protoplantetary discs and then planetary systems (top). When the star expires, the whole cycle starts all over again. (Photo by: SCIENCE PHOTO LIBRARY/AP Images)

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Contributor: RF - Science Photo

857111465141
Royalty-Free (RF)
September 27, 2011 12:00:00 AM
March 15, 2013 05:23:39 PM
Uncredited
SCIPHO
ASSOCIATED PRESS
Royalty-free photography. Special rates may apply. Please contact your AP representative with questions.
4231 x 5985 1.71 MB
Diagram showing the stellar life cycle
Supernovae, Planetary systems, Astronomy, Science
artwork, astronomy, astrophysics, computer generated illustration, cosmology, debris, dust, expansion, explosion, gas, gravity, illustration, interstellar medium, ism, light, nebula, planet, planetary system, planets, portrait, protoplanetary disc, ring, small group of objects, space, space object, star, star death, star system, stellar, supernova, vertical gas
SCIPHO

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