Solar Features

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Triton College *

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101

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Physics

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May 4, 2024

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doc

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5

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Solar Features 1. Select the Solar Photos link to complete this lab. 2. Using Photo 1. Choose from the following to answer question 1. Chromosphere, Photosphere, Corona Q1. This is the sun's surface; it is called the photosphere. 3. Using Photo 2. Choose from the following to answer question 2. Granulations, Sunspots, Spicules Q2. The dark texture surface in this picture is called granulations. Q3. What is function of this dark texture area? They bring heat from the sun’s convection layer to the photosphere. 4. Using Photo 3. Choose from the following to answer question 4. Granulations, Sunspots, Prominence Q4. The darker areas on the picture are the sunspots. 5. Print out the last page or draw a similar size circle on a piece of paper. You do not hand in this page, but you will need it to answer questions 8 and 9. Draw and label the position of these dark areas on Figure 1. (See last page) 6. Photo 3a is an enlarged view of these dark areas. Using the earth pictured there as your scale model and a ruler how many earths would fit across the widest part of the largest area include the orange-colored edge?
Q5. Earths = 2.5 Using the diameter of the earth of about 8,000 miles what is the diameter of this large area? Q6. Diameter = 20,000 miles 7. Using Photo 4 Choose from the following to answer question 7. Plages, Spicules, Sunspots Q7. The bright areas in this picture are called plages. 8. Draw and label these bright regions on figure 1. 9. Using Photo 5. This is a picture of the sun's magnetic field. The dark areas are where the magnetic field has been concentrated. Q8. What do these concentrated magnetic field areas match in your drawing in figure 1? They are where the plague spots are Q9. It can be seen that sunspots and plagues are areas of strong (strong, weak) magnetic fields. 10. Using photo 6. Choose from the following to answer question 10. Granulations, Sunspots, Flares Q10. This extremely high-energy matter ejected from the surface is flares 11. Using photo 7. Choose from the following to answer question 11. Granulations, Sunspots, Prominence Q11. What feature do you see on the left edge of the sun? prominence
13. Using the earth pictured on photo 7a as your scale model and a ruler how many earths would fit to the top of this feature from the sun’s surface? Q12. Earths = 20 Using the diameter of the earth of about 8,000 miles what is the distance this feature extends above the sun’s surface? Q13. Distance from sun's surface = 160,000miles 14. Using photo 8. Choose from the following to answer question 14. Granulations, Plages, Spicules Q14. These spikes of gases that look like blowing grass in the chromosphere are called spicules 15. Using Photo 9. Choose from the following to answer questions 15 and 16. Plaqes, Photosphere, Corona Q15. This part of the sun's atmosphere is called the corona 16. Using Photo 10. Q16. This also is a picture of the corona Choose from the following to answer questions 17, 18 and 19. Flares, Spicules, Coronal Holes, Solar winds Q17. Bright (white) areas are very hot therefore they are above what feature on the sun's surface ? Flares Q18. What is the dark area pictured here? Coronal holes Q19. What comes out of these dark areas? Solar winds
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17. Using Photo 11. Choose from the following to answer question 20. Granulations, Plages, Coronal mass ejection Q20. This is a picture of Coronal mass ejection Figure # 1.
5.
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