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Stellar evolution
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Stars, fusion, and balance

Stars, fusion, and balance

A star is a huge sphere of hot gas that shines because nuclear fusion happens in its core. Fusion joins light nuclei and releases the energy that eventually leaves the star as light and heat.

Stellar evolution Lesson

  1. IGCSE
  2. /Physics
  3. /Stellar evolution

Step-by-step lessons covering Edexcel IGCSE Physics Stellar evolution for IGCSE Physics. Each lesson works through exam-style questions in Paper 1 and Paper 2 format. Build a strong foundation in mechanics and electricity before tackling the more mathematically demanding astrophysics and nuclear topics.