what causes the cycle of seasons on Earth?
Earth has seasons because its axis is tilted as it revolves around the sun
The cycle of seasons on Earth is caused by the tilting of the planet’s axis and its orbit around the sun. The Earth’s axis is tilted at an angle of approximately 23.5 degrees relative to its orbit around the sun. This tilt gives rise to the seasons as different parts of the Earth receive different amounts of sunlight throughout the year.
During the summer solstice, which occurs on June 20th or 21st in the Northern Hemisphere and December 21st or 22nd in the Southern Hemisphere, the tilt of Earth’s axis is pointed towards the sun. This results in longer daylight hours and more direct sunlight, making it the warmest time of the year.
During the winter solstice, which occurs on December 21st or 22nd in the Northern Hemisphere and June 20th or 21st in the Southern Hemisphere, the tilt of Earth’s axis is pointed away from the sun. This results in shorter daylight hours and indirect sunlight, making it the coldest time of the year.
The spring and fall equinoxes mark the transition between the seasons. They occur on March 20th or 21st in the Northern Hemisphere and September 22nd or 23rd in the Southern Hemisphere. On these days, the tilt of Earth’s axis is not pointed directly towards or away from the sun, resulting in approximately equal periods of daylight and darkness.
More Answers:
Understanding the Mechanics of Gravity: The Role of Mass and Distance in Determining Gravity’s ForceUnderstanding Solstices: The Science Behind the Longest and Shortest Days of the Year
Understanding Equinox: How it happens and its significance in astronomy