Astronomers observing the molecular cloud Barnard 68 detect a dense region of interstellar gas and dust undergoing gravitational contraction.
Describe the thermodynamic and nuclear processes that occur as this contracting cloud transitions into a stable main sequence star, explaining how hydrostatic equilibrium is established.
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.