Unformatted text preview: c. Three months after the first day of class, the Earth will have moved ¼ of the way around the sun. The celestial sphere spins 360* around the sun to make a full rotation, therefore, the celestial sphere will have spun 90*, shifting the stars on the celestial equator 90* westward. http://en.wikipedia.org/wiki/Celestial_sphere 2. The next total lunar eclipse is 03/03/07 (p 35). If you were on the moon during an eclipse, you would have trouble viewing solar prominences, because the sun would be eclipsed by the Earth. Therefore, it would not receive direct sunlight. The moon would receive some light bent from the Earth’s atmosphere (p 34). Washington observes fewer lunar eclipses, because of the angle of the sun (it is never directly overhead, and stays very low in the winter months)....
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- Spring '08
- Polaris, South celestial poles, celestial sphere spins