Meteorologist Sean Ryan discusses the physics of sunlight in a segment called Weather Whys. He explains how sunlight affects our perception of the sky. This topic is related to optics, which is the study of light and its behavior.

Further details on this subject are available from the source. The discussion focuses on the physics behind sunlight and its impact on our view of the sky.

The segment is presented by Meteorologist Sean Ryan, who provides information on this topic. For more information, readers can refer to the source.