Just out of curiosity,at which distances it would have to be to completely obliterate the Earth (fully), melt all of Earth, just melt the crust, melt 1 km of the crust, melt crust 1 meter deep,evaporate all the atmosphere, boil the seas, exterminate life,cause mass extintion and cause a cool aurora display visible from the entire Earth while disrupting electronics assuming, that it's luminosity is 1017 Suns?
How it can be calculated?
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