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  1. This is a list of Muslim scientists who have contributed significantly to science and civilization in the Islamic Golden Age (i.e. from the 8th century to the 14th century).

  2. Il s'agit d'Al-Battani, surnommé « l’imitateur parfait de Ptolémée » [12] (mort en 929) et Al-Zarqali qui, pendant quarante années pour le premier et vingt années pour le second, ont mesuré l'un en Orient, l'autre en Espagne musulmane, jour après jour les positions exactes du Soleil par rapport à la Terre et ont dressé des tables de la précession des équinoxes ; mais, ce ...

  3. TerraGenesis it is a game by Edgeworks that lets you choose to either terraform entire worlds into lush green paradises, or keep them as they are and have the population live in giant domes on the planet's surface. Join a faction in their quest for propagating humanity throughout the universe, each in their own unique ways. Balance is key in this fun and intricate game! Keep a close eye on the ...

  4. Early Life and Education: Born in Hanover, Brunswick-Lüneburg on November15, 1738, William Herschel’s father was a musician who worked for the German Army.

  5. Albeit definition, although; even if: a peaceful, albeit brief retirement. See more.

  6. Etymology. The name octant derives from the Latin octans meaning eighth part of a circle, because the instrument's arc is one eighth of a circle.. Reflecting quadrant derives from the instrument using mirrors to reflect the path of light to the observer and, in doing so, doubles the angle measured.

  7. En occidente a principios del siglo XIII Juan Hispalense, integrante de la incipiente escuela de traductores de Toledo, tradujo al latín y español obras de astrónomos y matemáticos árabes: Albumasar, Al-Kindi, Al-Battani y Thábit ibn Qurra incorporando el signo " ? " como símbolo para la utilización de la raíz.