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Mass deficit
The answer is that this mass does not "disappear" into energy (a common misconception); rather, transformed to heat or light, this mass may move away to another location. The "mass defect" from binding energy is therefore only mass which has moved.
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eine wirklich merkwürdige Formulierung, finde ich ...
Ich schließe mich voll der Kritik dieses Abschnittes an, die man auf der Diakussionsseite im Wiki zu dieser Seite findet:
http://en.wikipedia.org/wiki/Talk%3ABinding_energy
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Mass Deficit Confusion
The terms mass deficit, mass defect, and mass difference are all thrown around in this article. Is there a difference between them? Why do the first two sometimes appear in quotation marks in the article? If there is a difference, I don't think it's adequately explained. To complicate matters, there is a Wikipedia article on Mass Excess, which provides a very similar but not identical concept! I think the article would really benefit from a clarification of these terms.
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