Around what date is the amount of solar energy per square metre that is incident upon the surface of the Earth in the northern hemisphere at its lowest level?
A)December 21, the winter solstice
B)March 21, the vernal equinox
C)June 21, the summer solstice
D)September 21, the autumnal equinox

Question

Quizplus · Accepted Answer

During the winter solstice, which occurs around December 21, the northern hemisphere is tilted away from the sun, resulting in the least amount of solar energy per square metre incident upon the surface of the Earth.

Around What Date Is the Amount of Solar Energy Per