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5 Cards in this Set
- Front
- Back
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Constellations |
A region of the sky that contains a recognizable star pattern and that is used to describe the location of objects in space. |
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Zenith |
The point in the sky directly above an observer on Earth. |
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Altitude |
The angle between an object in the sky and the horizon. |
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Horizon |
The line where the sky and the Earth appear to meet. |
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Light-Year |
The distance that light travels in one year; about 9.46 trillion kilometers. |
