Key term for AQA GCSE Physics, used in Red-Shift and Expansion.
The scientific theory that the universe began from a very small region that was extremely hot and dense, and has been expanding ever since.
Big Bang Theory 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.