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Date: 2007-04-12 10:51:41 | letters to nature spring equinox (Fig. 2a; 08 and 28 S), when the advances in sunset time are slightly smaller (7 and 7.6 min versus 5.9 and 5.4 min). Implicitly, cumulative changes in sunset time of 5–7 min over 20 daAdd to Reading ListSource URL: www.cambia.orgDownload Document from Source WebsiteFile Size: 388,65 KBShare Document on Facebook |