| A | B |
|---|
| Phases | The different shapes of the moon you see from Earth |
| Eclipse | When an object in space comes between the sun and a third object, it casts a shadow on that object |
| Solar Eclipse | This happens when the moon passes directly between Earth and the sun, blocking sunlight from Earth |
| Umbra | The darkest part of the shadow in an eclipse |
| Penumbra | The less dark, larger part of the shadow in an eclipse |
| Lunar Eclipse | This happens when Earth is directly between the moon and the sun, blocking sunlight from the moon |
| Tide | The rise and fall of ocean water that happens every 12.5 hours or so, mainly caused by the moon’s gravity |
| Astronomy | The study of the moon, stars, and other objects in space |
