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Due to the slow precession of the equinoxes , the Zenith view ( above a location ) of constellations at a time of year from a given location have slowly moved west ( by using solar epochs the drift is known ) .
 location: Zenith
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Zenith