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The Planets
Vocabulary of Important Terms
Term | Definition |
---|---|
Gas | Something that has no shape or size of its own. Gas can spread out into the space around it. |
Gravity | An invisible force that pulls objects toward a planet or star |
Orbit | The path an object follows around another object, such as a star |
Reflect | To bounce back |
Star | A huge ball of gas that makes heat and light |
Weather | The changing conditions that can include temperature, rainfall, wind, and clouds |