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crystalline sphere Saltos de línea: crys¦tal|line sphere

Definición de crystalline sphere en inglés:

sustantivo

historical
(In ancient and medieval astronomy) a transparent sphere of the heavens postulated to lie between the fixed stars and the primum mobile and to account for the precession of the equinox and other motions.
Oraciones de ejemplo
  • In 1618, he observed three comets pass effortlessly through Ptolemy's crystalline spheres (in which the planets and stars supposedly moved around the Earth), showing that these spheres must be imaginary.
  • Peurbach believed that the planets were in solid crystalline spheres although he believed that their motions were controlled by the Sun.
  • Aristotle's view of the world was based on a spherical Earth round which there were crystalline spheres which carried the Sun, Moon and planets.

Definición de crystalline sphere en:

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Palabra del día coiffeur
Pronunciación: kwɑːˈfəː
noun
a hairdresser