Physics A-Level
Extragalactic
What Extragalactic means in Physics A-Level, as defined for AQA.
Definition of Extragalactic
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Reference: AQA
Lying beyond our Galaxy, as quasars do, being extremely remote objects rather than nearby stars.
Topics that use Extragalactic
- Quasars (A-level only) (AQA A-Level)
Related terms
- Accretion discs and black hole mass
- Active galactic nuclei
- Cosmological redshift
- estimation
- Gravitational potential energy conversion
- Hubble's law
- Inverse-square law
- Quasars
Using Extragalactic in the exam
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