Objects in Space (Edexcel IGCSE Physics)
Revision Note
Author
AshikaExpertise
Physics Project Lead
Planets, Stars & Galaxies
- The Universe 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 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
You've read 0 of your 0 free revision notes
Get unlimited access
to absolutely everything:
- Downloadable PDFs
- Unlimited Revision Notes
- Topic Questions
- Past Papers
- Model Answers
- Videos (Maths and Science)
Did this page help you?