Lab_2_Exercise.doc

Lab_2_Exercise.doc - Lab 2 Exercise Question 1(10 points...

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Lab 2 Exercise Question 1 (10 points): For this week’s SkyGazer activities, what location (city or town) did you use? What are its latitude and longitude? What southern location did you use? What were the date and time? Include a screenshot showing SkyGazer with the Location and Time panels set for the southern location you used. Northern Location: Mesa, AZ : 111*50’W / 33*25’N 2/2/2018 11:00 PM Southern Location: Johannesburg, South Africa: 28*05;E / 26 * 12’S 2/2/2018 11:00 PM Question 2 (10 points): For your location (not the southern location) in Question 1, what is the name of the imaginary point in the sky around which the stars appear to move
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during the night? What is the name of the bright star near this point? From your location, what is the altitude of this star above the horizon? (Note: there are 3 parts to this question) The name of the imaginary point in the sky around which the stars appear to move during then night is the celestial pole. F rom Mesa, AZ, the star nearest the North celestial pole i s Polaris . The altitude of this star from Mesa, AZ is: +34* 04’ 26.5” Question 3 (10 points): For the pole star you identified in Question 2, what is its altitude as viewed from the Earth’s North Pole? What is its altitude as viewed from the Earth’s equator? Based on your results for these two latitudes, what is the relationship between any latitude and the altitude of the celestial pole at that latitude? (Note: the first 2
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