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Earth radius

Earth radii are sometimes used to measure distance. The radius of Earth is ~ 6,378 km. This distance is usually denoted by R_E.

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Thomas a Kempis

... to several passages, viz., the merit of good works and transubstantiation (iv. 2), purgatory (iv. 9), and the worship of saints (i. 13, ii. 9, iii. 6, 59). In ...