Definition Of Seasons Fixed -

We often describe the four seasons—spring, summer, autumn, and winter—by familiar sensations: the first cherry blossoms, the heat of a July afternoon, the crunch of fallen leaves, or the bite of a January wind. But while these experiences feel definitive, the actual definition of a season is surprisingly complex. Depending on whether you ask an astronomer, a climatologist, or a meteorologist, you might get three different answers. The Astronomical Definition: The Sun’s Journey The most traditional definition of seasons comes from astronomy. Here, seasons are determined by Earth’s 23.5-degree axial tilt and its 365-day orbit around the sun.

As Earth travels around our star, the Northern and Southern Hemispheres alternate in leaning toward or away from the sun. When your hemisphere is tilted toward the sun, you experience summer (longer days, more direct sunlight). When tilted away , you get winter (shorter days, indirect sunlight). Spring and autumn are the transitional periods, occurring when the tilt is sideways relative to the sun. definition of seasons