Formation of the Solar System

• How was the Solar system formed?


  From dust clouds and hydrogen that gradually become more concentrated by gravitational attraction
• Why is the sun is stable?

  A balance of outward force (nuclear fusion) and inward force (gravity)
• How is energy released from a star?

  Hydrogen nuclei fusing together to make helium atoms
• Solar System:

  A) Sun

  B) Mercury

  C) Venus

  D) Earth

  E) Mars

  F) Jupiter

  G) Saturn

  H) Uranus

  I) Neptune