Physics GCSE
blue-shift
What blue-shift means in Physics GCSE, as defined for AQA.
Definition of blue-shift
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Reference: AQA
The matching effect for an object approaching us, a shift towards shorter wavelengths, shown by a few nearby galaxies.
Topics that use blue-shift
- Red-shift (physics only) (AQA GCSE)
Related terms
- absorption line spectra
- accelerating expansion
- dark energy
- dark mass and dark energy
- expanding universe
- increase in wavelength
- measuring distance
- receding galaxies
Using blue-shift in the exam
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