The Planck space observatory, operated by the European Space Agency (ESA) from 2009 to 2013, mapped the temperature fluctuations of the CMB radiation with high precision to provide crucial data about the early Universe.
State what the 'C' in CMB radiation stands for.
53 exam-style questions on Edexcel GCSE Physics 7.2 The Universe and red-shift, covering 7.2.1 Big Bang and Steady State theories, 7.2.2 Evidence for the Big Bang, 7.2.3 The Doppler effect and red-shift, 7.2.4 Red-shift as evidence for an expanding Universe, and 7.2.5 The CMB and the accepted model. Each one has a worked solution and a mark scheme showing where the marks go.