| Solar system Understand the patterns of the planets and lunar and solar eclipses. |
| The starry sky Get to know the constellations. |
| The deep sky Extend your telescopic reach by exploring clusters, nebulae, and galaxies. |
| Light pollution Find out what you can do to prevent light pollution. |
| The Sun What do scientists know about the Sun, which is, after all, the nearest star? |
| Moon and planets Read an overview of Earth's nearest neighbors in space. |
| The aurora Learn what causes the "northern lights" and how to see them. |
| Meteors Learn more about "shooting stars." |
| Comets Understand and observe these rare visitors from the depths of the solar system. |
