THE SOLAR SYSTEM

WHAT DOES THE SOLAR SYSTEM CONSIST OF?

• It consists of:
• The sun
• 8 planets with their satellites
• Dwarf planets
• Small solar system bodies

THE SUN

• The sun consists of two gases:
• Hydrogen
• Helium

PLANETS

• They are spherical bodies which revolve around the Sun
• The inner planets are Mercury, Venus, Earth, and Mars
• They are made up of rock
• The outer planets are J, S, U, N
• They are made up of gases.

DWARF PLANETS

• They are spherical bodies which orbit the Sun.
• They are smaller than planets:
• Pluto

THE SATELLITES

• They orbit planets and consist of rock
• Moon

THE ASTEROIDS

• They are rocky objects which are irregular in shape.
• They orbit around the Sun
• Most of them are between the orbits of Mars and Jupiter
• This area is called the asteroid belt

THE COMETS

• Their orbit is elliptic.
• Their shape is irregular.
• Their nucleous is made up of ice, dust and gas.
• When they travel near the Sun, the ice evaporates and a tail is created.