1. Under F3: Proper Motion of the Stars, advance to 3: Effects of Proper Motion-
ID: 159704 • Letter: 1
Question
1. Under F3: Proper Motion of the Stars, advance to 3: Effects of Proper Motion-the Dippers. Run time forward until it automatically stops and watch how the patterns of the dippers will change over time. Now run time backwards until the last 2 stars in the cup of the Big Dipper point most directly at Polaris. It will be helpful to set your cursor tool to Angular Separation and draw a line to determine when the best alignment occurs. On approximately what date will a line drawn between the last 2 stars in the cup of the Big Dipper point most directly at Polaris?
9900 AD
12500 AD
5300 AD
3000 AD
2. The following question is found in Student Exercises under part F-The Stars. Click on 'Under F6: The Hertzsprung-Russell Diagram' and step through the three exercises on the H-R diagram. The following question is from the second exercise: 'The Hertzsprung-Russell Diagram'
red and cool
hot and blue
blue and cool
red and hot
I need help with these two questions please
What is the correct answer to Question 3?
Explanation / Answer
1. Under F3: Proper Motion of the Stars, advance to 3: Effects of Proper Motion-
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