solar constant
noun
: the quantity of radiant solar energy received at the outer layer of the earth's atmosphere that has a mean value of 1370 watts per square meter
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In some cases, Matthews said, the stations have registered levels of solar radiation equal to or exceeding the solar constant - that is, the amount of sunlight scientists expect to see at the outermost limits of Earth's atmosphere.
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Maddie Stone, Anchorage Daily News, 13 Dec. 2019
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Maddie Stone, Anchorage Daily News, 13 Dec. 2019
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“Solar constant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/solar%20constant. Accessed 22 Dec. 2024.
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