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Eudoxos project

Eudoxos project. Teachers workshop NCSR Demokritos, March 2003. Does the Sun Rotate?. Dr. Omiros Korakianitis Ellinogermaniki Agogi. Does the Sun Rotate?. Class: Technology, Astronomy, Physics Grade: Senior High School Lesson: Study of the Solar Rotation. Description.

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Eudoxos project

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  1. Eudoxos project Teachers workshop NCSR Demokritos, March 2003 Does the Sun Rotate? Dr. Omiros Korakianitis Ellinogermaniki Agogi

  2. Does the Sun Rotate? Class: Technology, Astronomy, Physics Grade: Senior High School Lesson: Study of the Solar Rotation

  3. Description Educational outcome Purpose Educational approach Equipment required Short description

  4. Description The structure of the lesson Introduction Detailed description of the teaching procedure

  5. Theory Dark Sunspots

  6. Theory Solar Rotation Sidereal rotation period: 25,380 days Mean synodic period: 27,275 days

  7. Theory Solar Rotation

  8. Measurement using coordinates

  9. Rotation period determination

  10. Student activities Avis Viewer • Measure the xmin, xmax, ymin, ymax • Compute xc, yc, R • Measure the xm, ym for each one of the sunspots • Computex, y • Compute X, Y • Complete the tables

  11. Student activities

  12. Student activities

  13. Student activities

  14. Student activities • Compute ων(aver)for each one of the sunspots • Finally transform the ων(aver)to a rotation period Tν(aver)for each one of the sunspots

  15. Extra activities - discussion • Estimate the errors of this method by calculating the statistical standard deviation

  16. www.ellinogermaniki.gr/ep/eudoxos

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