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STARS AND PLANETS
| Question | Answer |
|---|---|
| Rotate. | To spin around an axis. |
| Axis. | An imaginary line that runs through the center of the Earth from the North Pole to the South Pole. |
| Revolve. | To travel in a closed path around the sun. |
| Orbit. | An objects path in space around another object. |
| Moon. | A small planet-like body that revolves around Earth rather than the sun. |
| Phases. | As the moon revolves around the Earth, different amounts of its lit surface can be seen. |
| Solar System. | Is a group of objects in space that orbits a star in the center. Plus, the star itself. |
| Planet. | Is a large object that revolves around a star in a clear orbit. |
| Dwarf Planet. | Also, revolves around a star but its path is not clear of other object. |
| Comet. | A ball of rock ice and frozen gases. |
| Star. | A huge ball of superheated gases. |
| Sun. | A star that is at the center of our solar system. |
| Constellation. | A group of stars that form an imaginary picture in the sky. |
| Galaxy . | A huge system of gases dust and stars. |
| Universe. | Everything that exists in space. |