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Science: Astronomy
| Question | Answer |
|---|---|
| Astronomy | The study of the moon, stars, and other objects in space. |
| Revolution | The movement of an object around another object. |
| Solstice | Two days of the year on which the sun reaches its greatest distance north or south of the equator. |
| Axis | An in imaginary line that passes through Earth's center and the North and the South poles, about which it rotates. |
| Orbit | The path of an object as it revolves around another object in space. |
| Equinox | Two days of the year on which neither hemisphere is tilted toward or away from the sun. |
| Rotation | The spinning motion of a planet on its axis. |
| Phases | One of the different apparent shapes of the moon seen from earth. |
| Eclipse | The partial or total blocking of one object in space by another. |
| Solar Eclipse | The blocking of sunlight to the Earth that occurs when the moon is directly between the sun and Earth. |
| Umbra | The darkest part of a shadow. |
| Penumbra | The part of a shadow surrounding the darkest part. |
| Lunar Eclipse | The blocking of sunlight to the moon that occurs when the Earth is directly between the sun and the moon. |
| Tide | The periodic rise and fall of the level of water in the ocean. |
| Spring Tide | The tide with the greatest difference between consecutive low and high tides. |
| Neap Tide | The tide with the least difference between consecutive low and high tides. |