How was the Sun formed?
From rocky debris left behind when a planet broke apart
From hot gas that was thrown outwards by a nearby star
From dust and gas that was pushed apart by the solar wind
From dust and gas that was pulled together by gravity
41 exam-style questions on AQA GCSE Physics 8.1 Solar system; stability of orbital motions; satellites, covering 8.1.1 Our solar system, 8.1.2 The life cycle of a star, and 8.1.3 Orbital motion, natural and artificial satellites. Each one has a worked solution and a mark scheme showing where the marks go.