Which instrument is used by meteorologists to measure the height of a cloud base?
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A ceilometer uses a laser or light source to determine the height of the cloud base, also known as the cloud ceiling. It measures the time it takes for a light pulse to bounce back from the cloud. This tool is incredibly important for aviation safety, helping pilots know if they can land safely. Photo: User:Jk047, Wikimedia Commons, Public domain.
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Source: Wikipedia (CC BY-SA)
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