E.C. Terms on Sun

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Across
  1. 3. chemical element, inert gas of Group 18 (noble gases) of the periodic table
  2. 6. The lower region of the Sun's atmosphere
  3. 7. a dying star in the final stages of stellar evolution
  4. 9. a flow of particles that comes off the sun at about one million miles per hour and travels throughout the entire solar system
  5. 10. The sun's core is hotter than its outer layers
Down
  1. 1. the chemical element with the symbol H and atomic number 1
  2. 2. any of the dark spots that appear at times on the sun's surface
  3. 4. the outermost part of the Sun's atmosphere
  4. 5. an intense burst of radiation coming from the release of magnetic energy associated with sunspots
  5. 8. two atoms slam together to form a heavier atom