• The Universe is is a large collection of billions of?galaxies
  • It? is also the name given to the entirety of space

   

• A?galaxy?is a large collection of a billions of?stars
  • Stars are astronomical objects such as the Sun

   

• These stars are part of?Solar systems
  • Our Solar system is in the?Milky Way galaxy

   

• Each Solar system has a number of?planets
  • Our planet, the Earth, is the third of eight planets in our?Solar System
  • The Sun is at the?centre?of our Solar System

   

Hierarchy of the solar system

轉(zhuǎn)載自savemyexams