The seasons occur because the tilt changes the angle of sunlight and the duration of daylight in each hemisphere.
Contrary to a common misconception, the seasons are not caused by Earth’s varying distance from the Sun. In fact, Earth is closest to the Sun (perihelion) in early January, yet the Northern Hemisphere experiences winter at that time. The true driver of seasonal change is the consistent 23.5-degree tilt of Earth’s axis relative to its orbital plane around the Sun. the tilt of earth's axis causes the seasons because
The progression of seasons is marked by four distinct points in Earth's orbit: The seasons occur because the tilt changes the
The tilt changes the angle at which sunlight strikes the Earth. The true driver of seasonal change is the consistent 23
These occur when Earth’s tilt is side-on to the Sun. On these days, the Sun is directly over the equator, and almost everywhere on Earth experiences approximately 12 hours of day and 12 hours of night. Opposite Seasons
At two points in the orbit—the vernal (spring) and autumnal equinoxes—neither hemisphere is tilted toward or away from the Sun. Both hemispheres receive equal amounts of sunlight, and day and night are approximately 12 hours each. These transitional seasons mark the shift between the extremes of summer and winter.