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P1 6.4 The Expanding Universe

P1 6.4 The Expanding Universe

Author: Gemma Boyson

How do we know the universe is expanding? What is red shift?

Red shift is the evidence that shows the universe is expanding. Find out what it is here.

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Red Shift and Doppler Effect

A basic description of red shift and the Doppler Effect for GCSE Physics class

AQA GCSE science and P1 - The Doppler Effect & Red Shift

A description of the Doppler Effect and how that changes sound and light waves and how it has helped provide evidence for the Big Bang Theory.

Doppler Effect, Big Bang Theory Style

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