The Sun
Contents
Key Stage 2
Key Stage 3
Key Stage 4
Meaning
The Sun is a main sequence star at the centre of The Solar System.
About The Sun
- The Sun is a large glowing ball of gas that is heated by a nuclear fusion reaction in its core.
- The Sun is balanced between the inward force of gravity which pulls it in to collapse and the outward force caused by the nuclear fusion of Hydrogen isotopes in the core.
- The Sun radiates light and infra-red light that transfers energy to the Earth.
- The Sun is the source of energy for photosynthesis.
- The Sun is a medium sized star compared to others in the galaxy.
Extra Information
References
AQA
- Sun, page 106, 235, GCSE Physics; Third Edition, Oxford University Press, AQA
- Sun, pages 100, 101, GCSE Physics; The Revision Guide, CGP, AQA
- Sun, pages 248, 252, GCSE Physics, Hodder, AQA
- Sun, pages 275-8, 280-3, 290, GCSE Physics; Student Book, Collins, AQA
- Sun; position in the solar system, pages 258-9, GCSE Physics, Hodder, AQA