How solar radiation determines the earth’s temperature. Concept introduction: Solar radiations reaching the earth’s surface are responsible for variations in temperature and change in seasons. The earth’s axis is tilted at an angle of 23 .5 ° from its orbital plane. This axial tilt is referred as obliquity. This is basically the angle between Earth’s orbital axis and rotational axis. The earth revolves around the Sun in an elliptical orbit with its axis tilted or slanted at 23 .5 ° .

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Chapter 47.1, Problem 1SAQ

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How solar radiation determines the earth’s temperature.

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Solar radiations reaching the earth’s surface are responsible for variations in temperature and change in seasons. The earth’s axis is tilted at an angle of 23.5° from its orbital plane. This axial tilt is referred as obliquity. This is basically the angle between Earth’s orbital axis and rotational axis. The earth revolves around the Sun in an elliptical orbit with its axis tilted or slanted at 23.5° .

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