Star Life Cycles

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Across
  1. 2. Core of a red giant left behind when outer layers become a planetary nebula
  2. 6. what our sun will change into in around 5 billion years
  3. 7. Huge explosion when a Red Supergiant runs out of fuel
  4. 8. Colour of the hottest stars
  5. 9. Before fusion starts, the star is known as a ....
  6. 11. The very largest mass stars will end life as a .....
Down
  1. 1. what a large mass star will become when it runs out of Hydrogen
  2. 3. Stable Adult star, fusing Hydrogen into Helium
  3. 4. Force that pulls a nebula together to start forming a star
  4. 5. Cloud of dust and gas that stars are made from
  5. 10. Colour of the coolest stars