| A | B |
|---|
| Orbit | The path that an object follows when it revolves around another object. |
| Rotate | Earth's movement where it spins once in 24-hours. |
| Revolve | To move around another object. The earth takes 365 days to go around the sun. The moon takes a month to go around the Earth. |
| Astronomer | A scientist who observes the sun, earth, moon, stars and other objects in the sky. |
| Sun | That which gives us heat and light. |
| Telescope | An instrument that makes faraway objects look closer, brighter and clearer. |
| System | A group of objects that combine to make a whole and move or work together. |
| Solar System | The name for our sun and all of the space objects traveling around it. |
| Animator | One who makes drawings and puts them together to make moving pictures. |
| Observatory | Buildings to watch the objects in the sky, such as the sun and moon and stars. |
| Moon | Our nearest neighbor that reflects the light of the sun. |
| Earth | Our home planet |
