If the Earth sat perfectly upright with zero tilt, what consequence would occur regarding the seasons?

Answer

We would experience very little seasonal variation

With zero tilt, the Sun would consistently track the same path across the sky year-round at any given location, resulting in minimal seasonal change.

If the Earth sat perfectly upright with zero tilt, what consequence would occur regarding the seasons?

#Videos

The Earths Tilt - YouTube

Earthplanetrotationtiltaxis