The life cycle of stars

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  • Created by: jaaaz_v
  • Created on: 19-05-15 17:31

1. Why are main sequence stars stable?

  • The inward force of gravity is balanced by the outward pressure from the heat thats formed by fusion
  • The conditions in space (eg. heat and light)
  • The inward force of the heat from fusion is balanced by the outward force of gravity
  • There are no forces in main sequence stars, which makes them stable.
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Other questions in this quiz

2. When red giants become unstable they release their outer layers as a...?

  • Planetary nebula
  • Hydrogen nebula
  • Dust and gas nebula
  • Purple nebula

3. The nuclear fusion of nuclei produces...?

  • Hydroxide nuclei
  • Helium
  • Helium nuclei
  • Hydrogen nuclei

4. What do small stars, much like our sun, swell up to form?

  • Super giants
  • Red giants
  • Red super giants
  • Green giants

5. What makes red giants and red super giants red?

  • They become red because their surface cools
  • The sun
  • They become red because their surface heats up
  • They become red because too much nuclear fusion is taking place

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