Physics GCSE
Red-shift of galactic light
What Red-shift of galactic light means in Physics GCSE, as defined for OCR.
Definition of Red-shift of galactic light
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Reference: OCR
Light from a receding galaxy is stretched to longer wavelengths, so its spectral lines shift towards the red end.
Topics that use Red-shift of galactic light
- Beyond Earth (OCR GCSE)
Related terms
- Absorption and emission of radiation
- Artificial satellites: geostationary and polar orbits
- Constant speed with changing direction
- Cosmic microwave background radiation
- Effect of the atmosphere on electromagnetic radiation
- Equilibrium between collapse and expansion
- Gravitational force towards the centre
- Greenhouse effect and Earth's temperature
Using Red-shift of galactic light in the exam
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