Summer:
* High Angle: In summer, the hemisphere tilted towards the sun receives sunlight at a higher angle (closer to 90 degrees). This means the sunlight is more concentrated, leading to:
* Longer days: The days are longer because the sun is above the horizon for a greater duration.
* Warmer temperatures: The concentrated sunlight delivers more energy, leading to higher temperatures.
Winter:
* Low Angle: In winter, the hemisphere tilted away from the sun receives sunlight at a lower angle (farther from 90 degrees). This means the sunlight is spread out over a larger area, leading to:
* Shorter days: The sun is above the horizon for a shorter time.
* Colder temperatures: The spread-out sunlight delivers less energy, resulting in lower temperatures.
Key Points:
* Earth's Tilt: The Earth's axis is tilted at approximately 23.5 degrees. This tilt is the primary reason for the seasons.
* Hemispheres: As the Earth orbits the sun, different hemispheres are tilted towards the sun at different times of the year.
* Solar Declination: The angle of the sun's rays changes throughout the year due to Earth's tilt, known as the solar declination.
In summary, the angle of sunlight hitting the Earth is more direct in summer, leading to warmer temperatures and longer days, while it is less direct in winter, leading to colder temperatures and shorter days.
