Why is the solar limb darker than the center
A)The limb is cooler.
B)The limb is in a shadow.
C)Light has more atmosphere to travel through and thus more light is absorbed or scattered from your line of sight.
D)None of the other choices are correct.

Question

Quizplus · Accepted Answer

The solar limb appears darker than the center due to the fact that light has to travel through more of the sun's atmosphere at the limb as compared to when the light is passing through the center. As a result, more of the light gets absorbed or scattered, making the limb appear darker.

Why Is the Solar Limb Darker Than the Center