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Phases of the moon
| Term | Definition |
|---|---|
| Phase | Different shape of the moon you see |
| Solar eclipse | When the moon passes directly between the Earth and the sun during the new moon. |
| Lunar eclipse | Occurs during a full moon when the |
| Umbra | Darkest part of the shadow where light is partially blocked |
| Penumbra | Area of shallow where light is partially blocked. |
| Tide | Daily rise and fall of the ocean water |
| Spring tide | Higher high tide during full and new moon |
| Neap tide | Lower high tide during the first and third quarter moons |
| Maria | Dark, smooth, lava cover areas on the moon |
| Highlands | Higher lighter areas on the moon covered with craters. |