Edexcel IGCSE Physics: Double Science 复习笔记: 8.1.1 Objects in Space

Edexcel IGCSE Physics: Double Science 复习笔记: 8.1.1 Objects in Space

Planets, Stars & Galaxies

 

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

     

  • 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

     

 

8.1.1-Objects-in-Space-18.1.1-Objects-in-Space-28.1.1-Objects-in-Space-3

 

Hierarchy of the solar system

转载自savemyexams

更多IGCSE课程
翰林国际教育资讯二维码