In the Universe there are many galixies.
The name of our Galaxy is the Milky Way
The Solar System is in the Milky Way
In our Solar System there are eight planets around the Sun: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. The Sun sits in the middle while the planets orbit around it. Click on this video!
The Solar System is divided into two groups:
- The Inner Solar System: Mercury, Venus, Earth and Mars.
- The Outer Solar System: Jupiter, Saturn, Uranus and Neptune
Have a look at this video and you will see the difference!
The planets are divided according to their composition and size:
A. Rocky planets are made of rock and metal. They are very heavy and move around the Sun very slowly. Rocky planets are: Mercury, Venus, Earth and Mars ( INNER PLANETS ).
B. Gas planets are made out of gases, hydrogen and helium. These planets are light and they move quickly around the Sun. Gas planets are Jupiter, Saturn Uranus and Neptune ( OUTER PLANETS ).
A. Small planets are: Mercury , Venus, Mars and Earth ( INNER PLANETS ).
B. Giant planets are very big. They are Jupiter, Saturn, Uranus and Neptune ( OUTER PLANETS )
C. Dwarf planets are tiny little planets. These are Pluto, Ceres and Eris.