SkyGazer_Exercise3 - Voyager Sky Gazer Retrograde Motion Print out this sheet and follow the instructions filling in answers on the sheet as you go

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Voyager Sky Gazer: Retrograde Motion Print out this sheet and follow the instructions, filling in answers on the sheet as you go. When you are done, log onto the course web site at http://angel.msu.edu and type the answers you have written down into the Exercise 3 form in the Lessons area on Angel. This week you have been exploring the question of how we know Earth moves around the Sun. The main piece of evidence visible to our naked eyes is apparent retrograde motion of the planets, which happens when Earth passes by a slower moving planet in its orbit around the Sun. In this Sky Gazer exercise, you will be observing Jupiter’s upcoming episode of retrograde motion. The instructions assume that you already know how to set your location on Earth and set the time from doing Exercise 1 and how to adjust your viewpoint in Sky Gazer from doing Exercise 2. 1. Set your location to Lansing. 2. Set the time to noon (12:00:00 PM) on September 17 of this year. 3. Change to Sky Atlas view. Go to the ―Chart‖ menu, move down to ―Sky View …‖ and select ―Star Atlas – Equatorial Coordinates‖ from the submenu. 4. Center the Sun. You should center the Sun in the window by going to the ―Center‖ menu. Move your mouse down the menu to the ―Planet‖ item. A submenu should then appear, from which you should choose ―Sun.‖ The Sun should now appear in the center of your window. 5. Turn on constellations and constellation grid if necessary. In order to do this exercise, you will need some reference p oints on the sky. Go to the ―Display‖ menu, move down to ―Constellations‖, and select ―Show Modern Outlines‖ from the submenu. The outlines of the constellations should then appear. Go to the ―Display‖ menu again, move down to ―Constellations,‖ and this
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This note was uploaded on 12/03/2010 for the course ISP LAB all taught by Professor All during the Spring '10 term at Michigan State University.

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SkyGazer_Exercise3 - Voyager Sky Gazer Retrograde Motion Print out this sheet and follow the instructions filling in answers on the sheet as you go

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