Earth Tilt Definition -

The tilt is the primary reason we have seasons. Without it, the Sun would always be directly over the equator, and every day would have the same weather and the same amount of daylight (12 hours) regardless of the month.

The classroom was unbearably hot, and the diagram on the whiteboard was making Leo’s eyes cross. It showed the Earth as a perfect circle with a straight line running through it—the axis. But the Earth next to it was tilted. earth tilt definition

The circle of light on the desk suddenly stretched out into a long, wide oval. The same amount of light was covering a much bigger area. The tilt is the primary reason we have seasons

"Okay," Leo said, watching the top slowly settle. "But why does the lean give us seasons?" It showed the Earth as a perfect circle

Mr. Harrison smiled, wiping the sweat from his forehead. He walked over to the globe in the corner of the room. It was an old thing, the kind that spun on a metal arc.

But what exactly is the definition of Earth's tilt, and why does a few degrees of "leaning" matter so much to life on the ground? What is the Definition of Earth's Tilt?