Zenith Motion
Posted on Thursday, October 8, 2009 in Security Systems
What are the relative movements of objects in our sky? (Where they ride together, etc.)?
PS instructions and terms as the zenith and the nadir ....
It is the movement of the Earth that makes things seem to go in the sky. The Earth rotates on its axis that makes things seem to appear in east and west. The inclination of the earth gives us our fall seasons summer winter and spring, plus it also gives us a slightly different perspective for our stars that is why you can see part only certain seasons of the year. "Zenith" is straight overhead above you, no matter where on Earth you are. "Nadir is directly beneath the observer and diametrically opposite the zenith. Dictionary dot com is a good site to find other terms that you may want to define.
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