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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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Lake Ronkonkoma, New York

... there are 19,701 people, 6,700 households, and 5,011 families residing in the town. The population density is 1,549.2/km² (4,010.1/mi²). There are 6,949 ...