Stars and their life cycle

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Across
  1. 3. What is the main factor that determines what a star will become?
  2. 4. what is the most abundant gas in the main sequence star?
  3. 7. What is the name of the explosion at the death of a massive star?
  4. 9. a spinning neutron star that emits rapid pulses of energy
Down
  1. 1. What is the final stage of a Very massive stars?
  2. 2. What do we use to classify the temperature, brightness, and size of stars?
  3. 5. ______ is a force that causes dust particles to stick together.
  4. 6. Stars are formed from a big cloud of gas & dust known as?
  5. 8. what is the colour of hot stars?