No galaxy that has been found so far is less than 25% helium. If not from the
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No galaxy that has been found so far is less than 25% helium. If not from the stars, where did this helium come from?
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Related Book For
Conceptual Physical Science
ISBN: 978-0134060491
6th edition
Authors: Paul G. Hewitt, John A. Suchocki, Leslie A. Hewitt
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