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 The temperature of Earth's mantle ranges from approximately 1,000°C (1,832°F) near the crust to around 3,700°C (6,692°F) near the core boundary 
 You all’ deserve to burn at temperatures higher than this. 
 I’m just concerned where you’re going to find this heat source, fren. 

According to current knowledge, the hottest known planet in the universe is an exoplanet called KELT-9b, with a surface temperature estimated at around 4,300 degrees Celsius 
 in Sun nuclear fusion occurs, temperatures reach around 15 million degrees Celsius