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Revision as of 04:53, 3 December 2014 (edit) 62.210.152.149 (Talk) (I'll put her on <a href=" http://badusability.com/buy-aricept-from-canada/ ">buy cheap donepezil</a> This worked fine for judging distances inside the Milky Way, but it wasn’t until the 1920s t) ← Older edit		Latest revision as of 23:56, 14 October 2016 (edit) (undo) 188.143.232.26 (Talk) (gtOy7c http://www.FyLitCl7Pf7kjQdDUOLQOuaxTXbj5iNG.com)
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−	~~I'll put her on <a href="~~ http://~~badusability~~.com/buy-aricept-from-canada/ ">buy cheap donepezil</a> This worked fine for judging distances inside the Milky Way, but it wasn’t until the 1920s that telescopes existed that were powerful enough to observe Cepheids in other galaxies. Hubble spotted his first Cepheid in the Andromeda ‘spiral nebula’ in 1924.	+	gtOy7c http://www.FyLitCl7Pf7kjQdDUOLQOuaxTXbj5iNG.com