How would day and night be different if Earth's axis were not tilted?

If the axis were vertical (perpendicular to the plane of the earth orbit), day and night would have the same length everywhere (12 hours each) and there would be no seasons. Get yourself a light bulb and a ball and look.

How would say and night be different it earth's axis were not titled

If Earth's axis were not tilted, the day and night cycle would not be significantly different from what it is now. However, there would be a few noticeable changes:

1. Equal day and night everywhere: Currently, due to Earth's axial tilt, different latitudes experience varying lengths of day and night throughout the year. If the axis were not tilted, each latitude would receive exactly 12 hours of sunlight and 12 hours of darkness every day.

2. No seasons: The tilt of Earth's axis is primarily responsible for the changing of seasons. Without this tilt, the amount of sunlight received by each latitude would remain the same throughout the year, resulting in a lack of seasonal variation. The climate would be more consistent, with less temperature variation between summer and winter.

3. Different patterns of sunlight: Earth's axial tilt plays a role in the angle at which sunlight reaches the surface. If the axis were not tilted, the angle of sunlight would be consistent and less inclined. This would result in less variation in the intensity of sunlight, potentially affecting ecosystems and weather patterns.

To understand these changes, it is important to have a basic understanding of Earth's axial tilt and how it influences the day and night cycle, seasons, and patterns of sunlight at different latitudes.