Astrophysics

• Solar system

  Consists of planets orbiting our star
• Formation of solar system

  Dust and gas originated from the explosion of a supernova
• Types of planets

  • Rocky planets
  • Gas planets
• Rocky planets

  • Inner planets
  • Manage their own chemical reactions
• Gas planets


  • Outer planets
  • Made up of gases
• Dwarf planet


  Spherical object that orbits a star but can't clear other material out of their orbit because its gravity is too weak
• Planets are spherical objects that orbit a star
• Planets are spun into rotation around the star