Physics A-Level
Surface temperature axis
What Surface temperature axis means in Physics A-Level, as defined for AQA.
Definition of Surface temperature axis
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Reference: AQA
The horizontal axis spanning roughly 50 000 K on the left down to about 2 500 K on the right, so the scale is reversed compared with a normal graph.
Topics that use Surface temperature axis
- The Hertzsprung-Russell (HR) diagram (A-level only) (AQA A-Level)
Related terms
- absolute magnitude
- Giants and supergiants
- HR diagram
- Luminosity
- Main sequence
- Red giant branch
- Reversed temperature axis
- spectral class
Using Surface temperature axis in the exam
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