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Chapter 1 Science
Lesson 2 Earth in Space
Term | Definition |
---|---|
Axis | an imaginary line that passes through Earth's center and the North and South poles |
Rotation | the spinning of Earth on its axis |
Revolution | the movement of one object around another |
Orbit | the path of an object as it revolves around another object in space |
Calendar | is a system of organizing time that defines the beginning, length, and division of a year. |
Solstice | either of the two days of the year on which the sun reaches its greatest distance north or south of the equator |
Equinox | either of the two days of the year on which neither hemisphere is tilted toward or away from the sun |