Expo/Science & Industry/Whispers From the Cosmos
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Welch on-camera: text
In the course of a star's life, much of the material has been processed. Heavier
atoms are produced out of lighter atoms like hydrogen and helium. And so now we have
this material back in the interstellar medium and the cycle may resume.
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Copyright, (c) 1995: Board of Trustees, University of Illinois
NCSA. Last modified 11/11/95.