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      Precession of the Equinoxes: a pedagogical proposal for secondary education teachers

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          Abstract

          Second part of a didactic sequence of activities on some topics of Astronomy, related mainly with the real shape of the Earth, the gravitational interactions between our planet and other celestial bodies, and the resulting movement of the rotational axis of the Earth, leading to the precession of the equinoctial points. All elements are given for the construction of a simplified Sun-Earth system model, with a zodiacal band surrounding it, in order to show in a pedagogical manner how precession involves a shift of the zodiacal constellations in time.

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          Journal
          09 March 2009
          Article
          0903.1508

          http://arxiv.org/licenses/nonexclusive-distrib/1.0/

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          Ciencia Hoy, Vol 18, Nro 107, pp. 54-63, 2008
          Article in Spanish, PDF document; Published version with high resolution images available at http://cms.iafe.uba.ar/gangui/didaastro/ch/ . Posted here as a contribution to the International Year of Astronomy 2009
          physics.pop-ph astro-ph.CO physics.ed-ph

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