Scientists use red-shift as evidence that the universe is expanding.
What is it that is expanding?
[1]
A
Space itself between the galaxies
B
Each individual star in a galaxy
C
The planets orbiting distant stars
D
The empty region beyond the universe
Markscheme
8.2 Red-shift Questions
41 exam-style questions on AQA GCSE Physics 8.2 Red-shift, covering 8.2 Red-shift. Each one has a worked solution and a mark scheme showing where the marks go.