Part 1: The Sun

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Across
  1. 2. The center which is the hottest part of the Sun.
  2. 5. Visible surface of the Sun that can be seen from Earth. Bumpy and bulges from gas and constant motion.
  3. 7. Huge gas streams that extended past the chromosphere into the corona. Last for days or even weeks.
Down
  1. 1. Storms on the Sun that are 20-30 times brighter than usual and fade within an hour of happening.
  2. 3. Dark spots believed to be caused by cooler gases.
  3. 4. Layer of gases above the surface of the Sun.
  4. 6. The crown of the Sun which is only visible during a solar eclipse or with special tools.