Big Bang nucleosynthesis
What Big Bang nucleosynthesis means in Physics A-Level, as defined for AQA, OCR.
Definitions of Big Bang nucleosynthesis
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Reference: AQA
In the first minutes, protons and neutrons fused mainly into helium, giving the observed relative abundance of hydrogen and helium.
In the first minutes, protons and neutrons formed and fused into light nuclei such as hydrogen, helium and traces of lithium.
Topics that use Big Bang nucleosynthesis
- Hubble's law (A-level only) (AQA A-Level)
- Cosmology (OCR A-Level)
Related terms
- Age of the universe
- Cosmological redshift
- Hubble's law
- Astronomical distance units
- Baseline
- Big Bang theory
- Cosmic microwave background
- Cosmic microwave background radiation
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