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8.2 Red-shift
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What is red-shift?

What is red-shift?

Light waves from a moving star showing stretched red-shifted waves behind it and compressed blue-shifted waves in front

Light from a galaxy contains a pattern of wavelengths produced by elements in its stars. Red-shift is the observed increase in the wavelength of this light compared with the same pattern measured in a laboratory.

8.2 Red-shift Lesson

  1. GCSE
  2. /Physics
  3. /8.2 Red-shift

Step-by-step lessons on AQA GCSE Physics 8.2 Red-shift, covering 8.2 Red-shift. Each one builds up to exam-style questions. Build a strong grip on equations, units and Key Stage 3 fundamentals before tackling the more demanding topics like electromagnetism, the particle model of matter and space physics.

Lessons