Changes in the angle of the Earth's axial tilt does not impact on the intensity of the seasons.

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BlackTom AI · Accepted Answer

The statement presented asks whether changes in the angle of the Earth's axial tilt do not affect the intensity of the seasons. Think about what the axial tilt does: it changes the angle at which sunlight hits the surface over the year, and it also influences the length of day and night across seasons. When the tilt is larger, summers become warmer and winters colder because the Sun can rise higher in the sky for longer periods in summer and lower in winter, leading to stronger seasonal contrasts. Conversely, if the tilt were smaller, the Sun's path would be more directly overhead at mid-latitudes for longer parts of the year, reducing both the intensity of summer heat and the depth of winter cold, thus weakening seasonal differences. Therefore, changes in tilt would alter, not leave unchanged, the magnitude of seasonal intensity. The claim that tilt changes do not impact the seasons is missing this causal link and contradicts well-established solar geometry effects. If you were to imagine a planet with zero tilt, there would be almost no variation in the sun's angle throughout the year, leading to minimal seasonal swings; with increasing tilt, the seasonal extremes become more pronounced. In short, the assertion is incorrect because axial tilt is a primary driver of seasonal intensity, and shaping how much insulation different latitudes receive across the year, thereby modulating seasonal strength.

ENEN20002_2025_SM1 Quiz on Lecture 9 material

Changes in the angle of the Earth's axial tilt does not impact on the intensity of the seasons.

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