| Term | Definition |
|---|---|
| axis | An imaginary line through the center of an object |
| Constellation | A group of stars that forms a pattern shaped like an animal person or object |
| Equator | An imaginary line that circles the Earth halfway between the North and South Poles |
| Revolve | To move in a path around another object |
| Rotate | To turn on an axis |
| Season | One of the four parts of the year spring summer fall and winter |
| Star | A ball of hot gases that gives off light and other forms of energy |
| Phases of the Moon | The different ways the Moon looks through the month |
| Full moon | The phase of the moon when all of the Moon near side is sunlit |
| New moon | The face of the when the moon's near-side appears totally dark |
| Quarter moon | The phase of the moon when half of the moon's near side is sunlit. |
| Waning moon | The phase of the moon when a decreased saying amount of the moon's near-side is sunlit |
| Waxing moon | The phases of the moon when an increasing amount of the sun's near side assembly. |
