Celestial Sphere Exploration
Explore the celestial sphere, its key components, and how it helps us understand the motion of celestial objects from Earth.
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Celestial Sphere Exploration
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Read each question carefully and answer to the best of your ability. Use the provided space for your responses.
1. What is the celestial sphere?
A real, physical sphere surrounding Earth.
An imaginary sphere surrounding Earth on which all celestial objects appear to be located.
The Earth's atmosphere.
A telescope.
2. The point directly above an observer on the celestial sphere is called the:
Nadir
Celestial Equator
Zenith
Celestial Pole
3. The is the projection of Earth's equator onto the celestial sphere.
4. The apparent path of the Sun across the celestial sphere over a year is called the .
5. The celestial sphere rotates from east to west.
True
False
6. The North Celestial Pole is directly above Earth's North Pole.
True
False
7. Explain why the celestial sphere is considered an imaginary construct rather than a physical object.
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