group5is

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Across
  1. 4. luminous envelope of a star
  2. 5. eight and farthest known planet
  3. 7. an aura of plasma that surrounds the sun and other celestial bodies
  4. 10. sixth planet from the sun
Down
  1. 1. an irregular layer above the photosphere
  2. 2. only planet whose English name does not derive from Greek/Roman mythology
  3. 3. fourth planet from the sun
  4. 6. seventh planet from the sun
  5. 8. solar _ is a stream of energized particles, primarily electrons and protons
  6. 9. star at the center of the solar system