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Space Unit Vocab.
Term | Definition |
---|---|
Constellation | Sections of the sky that contain recognizable star patterns. |
Zenith | The point in the sky directly above an observer on Earth. |
Altitude | The angle between an object in the sky and the horizon |
Horizon | The line where the sky and the Earth appear to meet. |
Light Year | Unit of length equal to the distance that light travels in one year. |