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・ Inferno
・ Inferno (1953 film)
・ Inferno (1980 film)
・ Inferno (1997 film)
・ Inferno (1999 film)
・ Inferno (2001 film)
・ Inferno (2016 film)
・ Inferno (anthology)
・ Inferno (Brown novel)
・ Inferno (Captain Scarlet)
・ Inferior alveolar artery
・ Inferior alveolar nerve
・ Inferior alveolar nerve anaesthesia
・ Inferior anal nerves
・ Inferior anastomotic vein
Inferior and superior planets
・ Inferior angle of the scapula
・ Inferior artery
・ Inferior border
・ Inferior cardiac branches of the vagus nerve
・ Inferior cardiac nerve
・ Inferior cerebellar arteries
・ Inferior cerebellar peduncle
・ Inferior cerebellar veins
・ Inferior cerebral veins
・ Inferior cervical ganglion
・ Inferior cluneal nerves
・ Inferior colliculus
・ Inferior costal facet
・ Inferior deep cervical lymph nodes


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Inferior and superior planets : ウィキペディア英語版
Inferior and superior planets

Inferior planets are planets whose orbits lie within the orbit of Earth; superior planets planets whose orbits lie outside the orbit of Earth.
== History ==
These terms were originally used in the geocentric cosmology of Claudius Ptolemy to differentiate as inferior those planets (Mercury and Venus) whose epicycle remained co-linear with the Earth and Sun, and as superior those planets (Mars, Jupiter, and Saturn) that did not.
In the 16th century, the terms were modified by Copernicus, who rejected Ptolemy's geocentric model, to distinguish a planet's orbit's size in relation to the Earth's.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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