Physics A-Level
Galaxy
What Galaxy means in Physics A-Level, as defined for AQA.
Definition of Galaxy
Check what you remember
Read the wording for your board, then hide it and explain Galaxy in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
A gravitationally bound system containing stars, gas, dust and dark matter, of which the Milky Way is one example.
Topics that use Galaxy
- Doppler effect (A-level only) (AQA A-Level)
Related terms
Using Galaxy in the exam
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