Physics A-Level
Giants and supergiants
What Giants and supergiants means in Physics A-Level, as defined for AQA.
Definition of Giants and supergiants
Check what you remember
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Reference: AQA
Stars in the upper right region with relatively cool surfaces but very high luminosity, which requires very large radii.
Topics that use Giants and supergiants
- The Hertzsprung-Russell (HR) diagram (A-level only) (AQA A-Level)
Related terms
- absolute magnitude
- HR diagram
- Luminosity
- Main sequence
- Red giant branch
- Reversed temperature axis
- spectral class
- Surface temperature axis
Using Giants and supergiants in the exam
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