The Big Bang theory is currently the most widely accepted scientific model for the origin and evolution of the Universe.
Explain how cosmological observations of red-shift and Cosmic Microwave Background Radiation (CMBR) provide evidence to support the ideas that:
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.