Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2027 exam
Verified for the 2027 exam•Written by the Fiveable Content Team • Last updated August 2025
Definition
The angle at which the Sun's rays strike Earth's surface, which affects the intensity of solar radiation received; higher angles result in more concentrated energy per unit area.
AP course connection
Topic 4.7: 4.7 Solar Radiation and Earth's Seasons