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The top documents tagged [celestial meridian]
Chap 3 locating places
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What you need to know to pass the test!. Light year: the distance light travels in one year Light is the fastest-moving stuff in the universe. It travels
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A scientific model. Why do we use the model of the celestial sphere when studying the night sky, even though it does not accurately represent three-dimensional
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Celestial Sphere Facts: It’s an imaginary sphere with earth in the center. It is useful for locating constellations and stars on a star map
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ASTRONOMY
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Astrophysics --- History of Exploring the Universe
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