| 1. | In 1838, Claude Pouillet made the first estimate of the solar constant.
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| 2. | These observations were designed to ascertain the " solar constant of radiation ".
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| 3. | Lovelock and Watson demonstrated the stability of Daisyworld by making its solar constant.
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| 4. | Solar radiation pressure is calculated from the solar constant.
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| 5. | The solar constant is thus expressed at the thermopause.
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| 6. | In 1884, Samuel Pierpont Langley attempted to estimate the solar constant from Mount Whitney in California.
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| 7. | A 1903 Langley bolograph with an erroneous solar constant of 2.54 calories / minute / square centimeter.
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| 8. | He developed a pyrheliometer and made, between 1837 and 1838, the first quantitative measurements of the solar constant.
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| 9. | In 1954 the solar constant was evaluated as 2.00 cal / min / sq cm ?2 %.
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| 10. | The solar constant includes all wavelengths of solar electromagnetic radiation, not just the visible light ( see Electromagnetic spectrum ).
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