Physics A-Level
Estimating the age of the universe
What Estimating the age of the universe means in Physics A-Level, as defined for OCR.
Definition of Estimating the age of the universe
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Reference: OCR
If expansion has been roughly uniform, the time since galaxies were coincident is the distance divided by the speed, giving t ≈ H₀⁻¹.
Topics that use Estimating the age of the universe
- Cosmology (OCR A-Level)
Related terms
- Age of the universe
- Astronomical distance units
- Baseline
- Big Bang nucleosynthesis
- Big Bang theory
- Cosmic microwave background
- Cosmic microwave background radiation
- Cosmological redshift
Using Estimating the age of the universe in the exam
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