The red-shift observed in the light spectra from distant galaxies provides key evidence that supports the model of the expansion of the:
A
Earth's atmosphere
B
Milky Way Galaxy
C
Solar System
D
Universe
Markscheme
7.2 The Universe and red-shift Questions
53 exam-style questions on Edexcel GCSE Physics 7.2 The Universe and red-shift. Each one has a worked solution and a mark scheme showing where the marks go.