Sunshine

Sunshine is the light and heat that is produced by the sun. It is a key factor in the Earth's climate and weather conditions. Sunshine is also important for the growth of plants, as it provides the energy needed for photosynthesis.

Definition

Sunshine is defined as the direct, unbroken light of the sun. It is distinguished from indirect sunlight, which is the light that has been scattered in the atmosphere. The amount of sunshine a place receives can vary greatly depending on its location, the time of year, and the weather conditions.

Measurement

The amount of sunshine a place receives is typically measured in hours per day. This is known as the duration of sunshine. The World Meteorological Organization defines the duration of sunshine as the total time during which the sun is above the horizon and the sky is free of clouds.

Effects on the Earth

Sunshine has a significant impact on the Earth's climate and weather. It heats the Earth's surface, causing air to rise and create wind and weather patterns. The amount of sunshine a place receives can also affect its temperature and humidity levels.

Sunshine is also crucial for the growth of plants. It provides the energy needed for photosynthesis, the process by which plants convert sunlight, carbon dioxide, and water into glucose and oxygen.

Health effects

Exposure to sunshine has several health benefits. It helps the body produce vitamin D, which is important for bone health. However, excessive exposure to the sun's ultraviolet rays can cause skin damage and increase the risk of skin cancer.

See also

• Sunlight
• Solar radiation
• Photosynthesis
• Vitamin D

Sunshine Resources
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