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| abstraction > hypothesis > theory > astronomy theory > galaxy theory > twin-exhaust model | 
| twin-exhaust model comparison table | ||
| Subject | is a kind of | has definition | 
|---|---|---|
| galaxy theory | astronomy theory | |
| twin-exhaust model | galaxy theory | A theoretical model for radio galaxies in which a compact source in the galactic nucleus is assumed to emit twin beams of rapidly moving plasma that traverse hundreds of thousands of light-years, eventually splattering to a halt in the ambient intergalactic gas, where the resulting dissipation energizes the radio lobes. | 
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