How to build a simple Twilight photometer - askix.com
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How to build a simple Twilight photometer - askix.com Basic Data Category: Photometer, spectrometer URL (first publication): https://www.askix.com/como-construir-un-simple-fotometro-de-twilight.html Keywords: Photometer, spectrometer
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Description
A Twilight photometer is a very precise light sensor, used at dawn or twilight. Its purpose is to measure the amount of aerosols in the stratosphere.
When the sun is down the horizon no longer directly illuminates the ...
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