4.3-4.4 Review

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Across
  1. 3. a faint "wind" of high-speed gas particles that stream into space from the sun's corona
  2. 4. double a pair of stars that appear close together but are actually far apart
  3. 6. type of magnitude meaning the actual brightness of a star
  4. 9. the sun's visible surface
  5. 10. the hot central part of the sun
  6. 13. the violent explosion of a star
  7. 14. the brightness of a star
Down
  1. 1. a huge loop of cooler gas erupting thousands of miles from the chromosphere that is suspended in space by the sun's magnetic field
  2. 2. the hottest region of the sun's atmosphere, extending hundreds of thousands of miles from the sun's surface
  3. 3. tremendous bursts of energy caused by sudden changes in the sun's magnetic field
  4. 5. dark patches on the sun's surface caused by the sun's magnetic field
  5. 7. stars outlining an imaginary picture
  6. 8. unit used to measure great distances, such as the distances between the stars; equal to about 5.9 trillion miles
  7. 11. magnitude that depends on a star's actual brightness and its distance from earth
  8. 12. star a group of two stars that circle around each other
  9. 15. a star that suddenly flares up to many times its original brightness