Causes Of The Seasons (1979)

Explains how the tilt of the Earth’s axis and its orbit around the sun cause the changing seasons. In January, the northern hemisphere experiences winter with shorter days and lower sun angles, while the southern hemisphere enjoys summer with longer days and higher sun angles. The Earth’s axis is tilted at an angle of 23.5°, which affects how sunlight reaches different parts of the Earth throughout the year. Key dates include the spring equinox (around March 21), summer solstice (around June 22), autumnal equinox (around September 22), and winter solstice (around December 22). The text emphasizes that as the Earth orbits the sun, the tilt of its axis results in varying amounts of sunlight and heat, leading to seasonal changes.

Keywords: seasons, Earth’s axis, tilt, orbit, sunlight, equator, winter, summer, spring equinox, summer solstice, autumnal equinox, winter solstice, northern hemisphere, southern hemisphere, daylight, sunlight angle.
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