Final answer:
The intensity of solar radiation is affected by factors such as distance from the Sun, changes in the Sun's energy output, changes in Earth's orbit, and albedo.
Step-by-step explanation:
The intensity of solar radiation is affected by several factors:
- Distance from the Sun: The intensity of solar radiation decreases as the distance from the Sun increases. This is because solar radiation spreads out and becomes less concentrated as it travels through space.
- Changes in the Sun's energy output: Variations in the Sun's energy output can affect the intensity of solar radiation that reaches Earth. These variations can be caused by changes in solar activity or cycles.
- Changes in Earth's orbit: Changes in the shape of Earth's orbit can also affect the intensity of solar radiation. When Earth is closer to the Sun during certain parts of its orbit, the intensity of solar radiation is higher.
- Albedo: The reflectivity of Earth's surface and atmosphere can affect the intensity of solar radiation. Light-colored surfaces reflect more solar radiation, while dark surfaces absorb more.