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Date: 2010-03-05 11:36:43Astronomy Astrophysics Isotopes of carbon Plasma physics Solar cycle Sunspot Cosmic ray Maunder Minimum Sun Climate history Physics Space plasmas | 28.7 brief comms arising MHAdd to Reading ListSource URL: www.leif.orgDownload Document from Source WebsiteFile Size: 592,24 KBShare Document on Facebook |