In any direction at an angle of 42 degrees from the path of the Sun's rays,droplets will be directing the color blue toward the observer,thus forming a semicircle of color across the sky.

Question

Quizplus · Accepted Answer

The angle of 42 degrees is associated with the formation of a rainbow, specifically the red color, not blue. Blue light is refracted at a smaller angle, around 40 degrees.

In Any Direction at an Angle of 42 Degrees from the Path