Publication: La octava esfera o la esfera de las estrellas fijas
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2010
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Universidad Complutense
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Abstract
Según el modelo cosmológico medieval, heredero directo del sistema de representación cosmológica del Mundo Antiguo, el Universo era esférico, y en su centro, inmóvil, estaba situada la Tierra. Ésta se encontraba rodeada por las esferas, “orbes”, de los siete planetas1, quedando esta estructura cerrada por la octava esfera o esfera de las estrellas fijas, en la que se disponían las constelaciones. Más allá se encontraba el primun mobile que ponía en marcha la maquinaría celeste, siendo identificado en el mundo cristiano con Dios. La esfera de las estrellas fijas se convirtió en un motivo iconográfico de gran interés a lo largo de toda la Edad Media, bien en su representación unitaria, como la octava esfera que cierra el sistema de representación cosmológica, o a través de la representación de sus constelaciones.
According to the medieval cosmological model, the direct heir of the cosmological system of representation of the Ancient World, the Universe was spherical and in its center the Earth stood still. It was surrounded by the spheres, or the "orbs", of the seven planets. This structure was enclosed by the eighth sphere or the sphere of fixed stars, where the constellations were also placed. Beyond was the primum mobile which turned on the celestial machinery, identified in the Christian world with God. The sphere of fixed stars became an iconographic motif of great interest throughout the Middle Ages, either in its unitary representation, as the eighth sphere which encloses the cosmological representation system, or through the representation of the constellations.
According to the medieval cosmological model, the direct heir of the cosmological system of representation of the Ancient World, the Universe was spherical and in its center the Earth stood still. It was surrounded by the spheres, or the "orbs", of the seven planets. This structure was enclosed by the eighth sphere or the sphere of fixed stars, where the constellations were also placed. Beyond was the primum mobile which turned on the celestial machinery, identified in the Christian world with God. The sphere of fixed stars became an iconographic motif of great interest throughout the Middle Ages, either in its unitary representation, as the eighth sphere which encloses the cosmological representation system, or through the representation of the constellations.