Key term for AQA GCSE Physics, used in Red-Shift and Expansion.
The observed increase in the wavelength of light from most distant galaxies, shifting it towards the red end of the spectrum.
Red-shift appears in AQA GCSE Physics revision content for Space physics, especially Red-Shift and Expansion and Red-shift.
Create a free account to access AQA GCSE Physics revision notes, track progress, and practise related key terms.