نظام الشمس

Planets in Our Solar System

Terrestrial Planets

• Mercury:
  • Closest planet to the Sun
  • Smallest planet in our solar system
  • Rocky surface with many craters
• Venus:
  • Hottest planet in the solar system
  • Thick atmosphere composed of carbon dioxide
  • Volcanic surface with numerous volcanoes
• Earth:
  • Only known planet with life
  • 71% of surface is water
  • Atmosphere composed of nitrogen, oxygen, and other gases
• Mars:
  • Known as the Red Planet due to iron oxide in the soil
  • Rocky terrain with valleys and craters
  • Potential candidate for supporting life

Gas Giants

• Jupiter:
  • Largest planet in our solar system
  • Composed mostly of hydrogen and helium gases
  • Massive storms, including the Great Red Spot
• Saturn:
  • Known for its prominent ring system
  • Atmosphere composed mostly of hydrogen and helium
  • At least 62 moons
• Uranus:
  • Tilted axis, resulting in extreme seasons
  • Composed mostly of hydrogen, helium, and methane ices
  • Thin ring system
• Neptune:
  • Farthest planet from the Sun
  • Composed mostly of hydrogen, helium, and methane ices
  • Strongest winds in the solar system

Dwarf Planets

• Pluto:
  • Once considered the ninth planet in our solar system
  • Now classified as a dwarf planet
  • Composed primarily of rock and ice
• Eris:
  • Located in the Kuiper Belt
  • Slightly larger than Pluto
  • Composed primarily of rock and ice