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| physical object > natural object > celestial body > star > emission line star > supernova > type III supernova | 
| type III supernova comparison table | |||
| Subject | is a kind of | has mass | has definition | 
|---|---|---|---|
| supernova | emission line star | greater than 0.08 the sun's mass | A gigantic stellar explosion in which the star's luminosity suddenly increases by as much as a billion times. Most of the star's substance is blown off, leaving behind, at least in some cases, an extremely dense core which may be a neutron star. | 
| type III supernova | supernova | much higher than type II supernova | Supernova similar to Type II | 
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