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Length/Distance | Convert from astronomical unit to league [US statute] |
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Common Length Conversions Metric Length Conversions Unit Definition (astronomical unit) An Astronomical Unit is approximately the mean distance between the Earth and the Sun. It is a derived constant and used to indicate distances within the solar system. Its formal definition is the radius of an unperturbed circular orbit a massless body would revolve about the sun in 2*(pi)/k days (i.e., 365.2568983.... days), where k is defined as the Gaussian constant exactly equal to 0.01720209895. Since an AU is based on radius of a circular orbit, one AU is actually slightly less than the average distance between the Earth and the Sun (approximately 150 million km or 93 million miles). Unit Definition (league [US statute]) League is a unit of distance long common in Europe and Latin America, although no longer an official unit in any nation.
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