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seasons
Term | Definition |
---|---|
axis | An imaginary line that extends through the earths north and south pole, tilted at 23.5 |
rotation | to spin on an axis |
revolution | Movement in an elliptical path around a center |
season cycle | the cycle of summer, fall, winter, and spring due to variation in intensity of the sun and length of day caused by the tilt of the earth |
day/night cycle | The cycle of daytime and nighttime caused by the rotation of the earth around its axis |
equator | An imaginary line drawn between the northern and southern poles, divides the northern and southern hemispheres |
hemisphere | half of a sphere, the earth is typically divided into the northern and southern hemisphere, |