Spat (distance unit)
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Short description: Obsolete unit of distance in astronomy
The spat (symbol S[1]) is an obsolete unit of distance used in astronomy.[1] It is equal to 1,000,000,000 kilometres (620,000,000 mi; 6.7 astronomical unit|au).[1] A light-year is about 9460 S.
References
Original source: https://en.wikipedia.org/wiki/Spat (distance unit).
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