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apparent horizon

noun
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Definition of apparent horizon

: the somewhat irregular boundary between the sky and the land or water surface of the earth as viewed from any given point

— called also visible horizon

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apparent horizon

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“Apparent horizon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/apparent%20horizon. Accessed 6 Jul. 2022.

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