red giant stars

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Across
  1. 1. The mass of red giant stars range from 0.3 to ___ of the sun.
  2. 4. What is the next stage for a Red giant star?
  3. 5. What is the last stage of a Red giant star?
  4. 7. How many planets have been discovered around the Red giants as of June 2014?
Down
  1. 1. What happens to the outer layers of the star when hydrogen fusion occurs?
  2. 2. Red giant stars have radii from 10 to ___ times the sun.
  3. 3. In what color hue do the red giants burn?
  4. 6. The red giant stars have hydrogen, ____, and traces of metals in them.