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The Sun converts five million tons of matter into energy every second by nuclear fusion reactions in its highly compressed core, producing neutrinos—subatomic particles with extremely low mass—and solar radiation. The small amount of this energy that penetrates Earth’s atmosphere provides the light and heat that support life. The temperature of the solar core is close to 27 million degrees Fahrenheit (15 million degrees Celsius). How hot is the surface of the Sun? Discuss
Source: The Free Dictionary