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Unit 5
Vocabulary
Term | Definition |
---|---|
Axis | The imaginary line around which Earth rotates. |
Constellation | A pattern of stars that forms an imaginary picture or design in the sky. |
Gravity | A force that pulls things toward the center of the Earth. |
Hemisphere | One half of Earth. |
Orbit | The path of one object in space around another object. |
Revolution | The movement of Earth one time around the sun. |
Rotation | THe turning of Earth on its axis. |