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PARALLAX (Gr. aapa?X6, alternately)

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Originally appearing in Volume V20, Page 760 of the 1911 Encyclopedia Britannica.

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PARALLAX (Gr. aapa?X6, alternately)

PARALLAX (Gr. aapa?X6, alternately) , in See also:

ASTRONOMY (from Gr. &arpov, a star, and v ,usiv, to classify or arrange)

astronomy, the apparent See also:

CHANGE (derived through the Fr. from the Late Lat. cambium, cambiare, to barter; the ultimate derivation is probably from the root which appears in the Gr. «a urmu', to bend)

change in the direction of a heavenly See also:

BODY

body when viewed from two different points. See also:

GEOCENTRIC

Geocentric parallax is the See also:

ANGLE (from the Lat. angulus, a corner, a diminutive, of which the primitive form, angus, does not occur in Latin; cognate are the Lat. angere, to compress into a bend or to strangle, and the Gr. ayKOS, a bend; both connected with the Aryan root ank-, to

angle between the direction of the body as seen from the See also:

SURFACE

surface of the See also:

earth and the direction in which it appears from the centre of the earth. See also:

ANNUAL

Annual parallax is the angle between the direction in which a See also:

STAR

star appears from the earth and the 1 direction in which it appears from the centre of the See also:

sun. For stellar parallaxes see STAR; the See also:

SOLAR, SOLLER (Lat. solarium, Fr.• galetas, Ital. solaio)

solar parallax is discussed below.

End of Article: PARALLAX (Gr. aapa?X6, alternately)

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