Päikesekiirtega

Päikesekiirtega refers to the phenomenon of sunlight rays. These are electromagnetic radiation emitted by the Sun. Sunlight is composed of a spectrum of wavelengths, including visible light, ultraviolet (UV) radiation, and infrared radiation. The visible light portion is what allows humans to see.

When sunlight passes through the atmosphere, it can be scattered by particles in the air, leading to the appearance of rays, particularly noticeable when the Sun is low on the horizon or obscured by clouds. This effect is often called crepuscular rays, or sometimes "sunbeams." These rays appear to converge at the Sun's position but are actually parallel.

The intensity of päikesekiirtega can vary depending on factors like the time of day, the season, atmospheric conditions, and geographical location. Exposure to sunlight has biological effects, such as vitamin D production in the skin, but excessive exposure, especially to UV radiation, can be harmful, leading to sunburn and increasing the risk of skin cancer. The presence and appearance of päikesekiirtega are a fundamental aspect of Earth's weather and climate systems.