The solar constant is measured at
A)the outer boundary of the exosphere (32,000 km (20,000 mi)).
B)the top of the atmosphere (480 km (300 mi)).
C)the top of the stratosphere (50 km (31 mi)).
D)the top of the troposphere (12 km (8 mi)).
E)Earth's surface at the equator (sea level).

Question

Quizplus · Accepted Answer

The solar constant is the amount of solar radiation that reaches the top of the Earth's atmosphere. Therefore, it is measured at the top of the atmosphere (480 km (300 mi)).

The Solar Constant Is Measured at