Q. The hour angle of the mean sun plus 12 hours is _______

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Q. Solar time is 21 seconds less than clock time in September and 29 seconds more than clock time in December.

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Q. The inclination of earth’s axis also contributes towards variation in solar time.

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Q. What is angle subtended by sun on earth in degrees?

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Q. Why is angle subtended by sun on earth’s surface so small?

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Q. When revolving around the sun, the earth moves in an elliptical cycle _______

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Q. Which month is the earth closes to the sun?

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Q. What is aphelion?

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Q. Which month is the earth farthest from the sun?

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Q. What is solstice?

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Q. What is sun declination angle?

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Q. What is sun’s declination angle during summer solstice?

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Q. What is sun’s declination angle during winter solstice?

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Q. What is an equinox?

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Q. Why does earth receive 12 hours of sunshine during equinox?

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Q. What is the sun’s declination angle during equinox?

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Q. The equinoxes are vernal equinox and autumnal equinox respectively.

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Q. On summer solstice, the sun is above the horizon in northern hemisphere.

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Q. Which of the following best describes the motion of sun from autumnal equinox to winter solstice?

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Q. What is sun’s declination angle during earth’s motion from autumnal equinox to winter solstice?

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