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EQUATOR (Late Lat. aequator, from aeq...

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Originally appearing in Volume V09, Page 720 of the 1911 Encyclopedia Britannica.
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See also:

EQUATOR (See also:Late See also:Lat. aequator, from aequare, to make equal)  , in See also:geography, that See also:great circle of the See also:earth, equidistant from the two poles, which divides the See also:northern from the See also:southern hemisphere and lies in a See also:plane perpendicular to the See also:axis of the earth; this is termed the " See also:geographical " or " terrestrial See also:equator." In See also:astronomy, the " See also:celestial equator " is the name given to the great circle in which the plane of the terrestrial equator intersects the celestial See also:sphere; it is consequently equidistant from the celestial poles . The " magnetic equator " is an imaginary See also:line encircling the earth, along which the See also:vertical component of the earth's magnetic force is zero; it nearly coincides with the terrestrial equator .

End of Article: EQUATOR (Late Lat. aequator, from aequare, to make equal)
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