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How does a planet's tilt create seasons?
Quick Answer
A tilted axis changes how sunlight falls on different parts of a planet during its orbit, creating seasonal shifts.
The Full Story
Seasons are mainly caused by axial tilt, not distance from the Sun. As a planet orbits, one hemisphere tilts toward the Sun and gets longer days and stronger sunlight, while the other gets weaker sunlight and shorter days. Earth's tilt of about 23.5 degrees gives us familiar seasons. Mars also has seasons, but because its year is longer and its orbit is more elliptical, its seasonal patterns are different and can be more extreme in some ways.
Key Facts
1.Earth's axial tilt is about 23.5 degrees
2.Mars's axial tilt is about 25.2 degrees
3.Seasonal changes depend on tilt and orbit
YouTube Angle
Suggested video title for this topic:
"Seasons happen because a planet is tilted, not because it gets closer to the Sun."
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