When seen from an airplane,a rainbow sometimes forms a complete circle.When this happens,the plane's shadow is
A)in the center of the rainbow.
B)in the lower part of the rainbow.
C)in the upper part of the rainbow.
D)totally outside the rainbow.
E)nowhere,for there is no shadow.

Question

Quizplus · Accepted Answer

When a rainbow forms a complete circle as seen from an airplane, the plane's shadow is typically in the center of the circle. This phenomenon is known as a "glory" and occurs because the light is refracted and reflected in water droplets, creating a circular rainbow with the shadow of the plane at its center.

When Seen from an Airplane,a Rainbow Sometimes Forms a Complete