P1.6.5 The Big Bang 0.0 / 5 ? PhysicsElectromagnetic wavesGCSEAQA Created by: MaddiCreated on: 03-05-14 11:37 What is the Big Bang theory of the universe? The universe started with the Big Bang, a massive explosion from a very small point. 1 of 5 Why is the universe expanding? The univese has been expanding ever since the Big Bang. 2 of 5 What is cosmic microwave background radiation? CMBR is electromagnetic radiation created just after the Big Bang. 3 of 5 What evidence is their that the universe was created in the Big Bang? CMBR can only be explained by the Big Bang theory 4 of 5 What happens to the wavelength of radiation as it changes from gamma to microwave? The wavelength increases. 5 of 5
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