Other questions in this quiz

2. 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.

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

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

4. White dwarfs are...?

  • Hot, dense,and solid cores
  • Cool, dense, and solid cores
  • Hot cores
  • White

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

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

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