Langley
Unit
The langley is a unit of heat transmission, especially used to express the rate of solar radiation received by the earth. The unit was proposed by Franz Linke in 1942 and named after Samuel Langley in 1947. Wikipedia
1 Ly in: is equal to
SI units: 41 840 J/m2
Symbol: Ly
Unit of: Heat flux
Unit system: Non-SI metric unit
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