Scientists identify three elements in a newly formed planet.
| Element | Mass of its atoms compared with iron atoms |
|---|---|
| P | Lower |
| Q | Equal (element Q is iron) |
| R | Higher |
Explain how elements P, Q and R could have been produced.
Explain how all three elements could have become part of the newly formed planet.
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.