Diferencia entre revisiones de «Tránsito de Venus»
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Línea 136:
* [http://www.atramsey.freeserve.co.uk/transitofvenus/phys_ed_1.pdf The transit of Venus across the Sun]
* [http://www.ase.org.uk/htm/members_area/journals/ssr/ssr_mar_pdf/ssr_pg95-100.pdf The transit of Venus: a stroke of luck for teachers]
* http://ciencianet.com/8jun2004.html
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