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# Solar_rotation_answer_sheet - Name Lab Partners Date...

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Name_____________________________ Date__________________ Lab Partners________________________ Section________________ __________________________________ Solar Rotation Answer Sheet 1. Which direction is the Sun rotating? Explain. 2. Do sunspots live long enough on the surface of the Sun to survive one rotation? Explain. 3. What if the rotation rate of the Sun isn’t evenly divisible by 8 hours (the average time between the GONG images in the database)? Will the spot return to exactly the same place on the images after one rotation of the Sun? 4. Explain a strategy to that doesn’t require you to see a sunspot make one complete rotation which you can use to determine how long it takes the Sun to rotate through a full 360 degrees? (Hint: What if you were only able to measure how long it takes to rotate through 30 degrees?) 5. Does a spot to the left of the centerline have a negative or positive longitude? 6. How would you expect that the apparent latitude of a sunspot would change from one picture to the next over the course of a few days?

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7. How would you expect that the apparent longitude of a sunspot would change from one picture to the next over the course of a few days?
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