DescriptionProton-Proton II chain reaction (de).png English: Proton-Proton-II chain reaction Deutsch: Proton-Proton-II-Reaktion Date 20 May 2010 Source...
on File:FusionintheSun.svg but the informations are from Proton-Proton_II_chain_reaction.png This file is licensed under the Creative Commons Attribution-Share...
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