Spat (distance unit) explained

Spat (distance unit) should not be confused with Spat (angular unit).

The spat (symbol S) is an obsolete unit of distance used in astronomy. It is equal to 1000000000km (1,000,000,000miles).[1] A light-year is about .

Notes and References

  1. Book: Nouvelle encyclopédie du monde . Éditions Leland Ltée, Librairie Aristide Quillet . Montréal, Toronto, Paris . 1962 . 16 . 5426.

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