An astronomer observes a newly-formed spectral class B main-sequence star. Having finished its protostellar contraction phase, the star has now reached a state of stable equilibrium.
Explain how the physical processes in the core of this star generate the forces necessary to prevent further gravitational collapse.
42 exam-style questions on Edexcel GCSE Physics 7.3 Stars. Each one has a worked solution and a mark scheme showing where the marks go.