Physics GCSE
Red-shift as supporting evidence
What Red-shift as supporting evidence means in Physics GCSE, as defined for OCR.
Definition of Red-shift as supporting evidence
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Reference: OCR
Nearly all galaxies show light shifted to longer wavelengths, indicating they recede, and more distant galaxies recede faster, which fits expansion from a common origin.
Topics that use Red-shift as supporting evidence
- 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 as supporting evidence in the exam
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