<p>Name______Period______</p><p>Space Weather --Web Lesson</p><p> http://www.explo rator ium.edu/spaceweather/</p><p>Read the info on this home page to answer the following question:</p><p>1. What is space weather? </p><p>Click on the yellow circle- “Coronal Holes” - to answer the following questions:</p><p>2. What are coronal holes?</p><p>3. How long does it take for solar wind leaving through coronal holes to reach Earth?</p><p>Click on the link to look for current coronal holes using live data from NASA satellites currently in orbit. Answer the following questions.</p><p>4. What wavelength of light is shown in this image?</p><p>Click on the green circle near the top to get to the “Solar Flares” page.</p><p>5. What are solar flares?</p><p>6. Solar flares can release as much energy as______.</p><p>7. Where do solar flares occur?</p><p>Click on the blue circle near the top to get to the “Coronal Mass Ejections” page. 8. What is a coronal mass ejection (CME)?</p><p>9. How are solar flares and CMEs similar?</p><p>Click on the red circle near the top to get to the “Solar Wind” page.</p><p>10. What is solar wind?</p><p>11. Why does solar wind seem to take on a pinwheel shape?</p><p>12. What do the brighter colors on the solar wind image (on the right) represent?</p><p>Click on the next circle near the top to get to the “Magnetosphere” page.</p><p>13. What is the magnetosphere?</p><p>14. Why is the magnetosphere important?</p><p>15. What is the interplanetary magnetic field (IMF)?</p><p>Click on the next circle near the top to get to the “Auroras” page. 16. What are auroras?</p><p>17. What causes auroras?</p><p>18. Why do we usually see auroras at extreme latitudes (closer to the poles)?</p><p>Click on the final circle with the satellite image to get to the “space weather and you” page.</p><p>19. Describe how space weather can affect each of the following:</p><p> a. Satellites and spacecraft</p><p> b. Radio communication</p><p> c. Electric Power transmission</p><p> d. Astronauts and high-altitude travelers Click on “Can we predict space weather?” on the right side of this page.</p><p>20. What is the goal for scientists working on space weather models?</p><p>21. What is the Center for Integrated Space Weather Modeling (CISM)?</p>