Planets

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Across
  1. 5. a cools spot that forms in pairs on the sun's photosphere
  2. 7. move in an ellipltical path
  3. 8. a body that orbits a star
  4. 9. a violent burst of energy that sends gas, light, ultraviolet rays, and x-rays shooting into space
Down
  1. 1. one complete trip around the sun
  2. 2. the layer of the sun's atmosphere that can be seen during total eclipses
  3. 3. the study of objects outside Earth's atmosphere
  4. 4. a large rock fragment that orbits the sun in a group called the asteroid belt
  5. 6. the collection of planets and other bodies that orbit the sun