Astronomers detect platinum in a newly formed star. Platinum is an element heavier than iron.
A scientist claims that the platinum was made by nuclear fusion while an earlier massive star was in its stable main sequence stage.
Explain whether the scientist's claim is correct.
Explain how the platinum could have become part of the newly formed star.
84 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.