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  5. 7.2.4 Red-shift as evidence for an expanding Universe

7.2.4 Red-shift as evidence for an expanding Universe

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Revise Edexcel GCSE Physics 7.2.4 Red-shift as evidence for an expanding Universe with the question bank and revision guides.

Explain why the red-shift of galaxies provides evidence for the Universe expanding. • Explain how both the Big Bang and Steady State theories of the origin of the Universe both account for red-shift of galaxies.

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