Physics GCSE
no centre to the expansion
What no centre to the expansion means in Physics GCSE, as defined for AQA.
Definition of no centre to the expansion
Check what you remember
Read the wording for your board, then hide it and explain no centre to the expansion in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
The same pattern of galaxies receding would be seen from any galaxy, so the Earth is not at the centre.
Topics that use no centre to the expansion
- 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 no centre to the expansion in the exam
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