英语词汇“solar constant”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

solar constant

noun Physics

The rate at which energy reaches the earth’s surface from the sun, usually taken to be 1,388 watts per square metre.The heat shield will reach temperatures of up to 1800°C as it is exposed to energies 1000 times more intense than the solar constant....

But the solar constant - the amount of sunlight received each second - is carefully monitored by spacecraft, and we know the sun's output is much too steady to be changing the temperature of Pluto.
The solar constant is 1.37 kW m - 2, but the 24-hour average at the top of the atmosphere is of course much lower, and varies widely by geographic latitude and time of year.

单词	solar constant
释义	solar constant noun Physics The rate at which energy reaches the earth’s surface from the sun, usually taken to be 1,388 watts per square metre.The heat shield will reach temperatures of up to 1800°C as it is exposed to energies 1000 times more intense than the solar constant.... But the solar constant - the amount of sunlight received each second - is carefully monitored by spacecraft, and we know the sun's output is much too steady to be changing the temperature of Pluto. The solar constant is 1.37 kW m - 2, but the 24-hour average at the top of the atmosphere is of course much lower, and varies widely by geographic latitude and time of year.
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