Sun energy process
It is a massive, nearly perfect sphere of hot plasma, heated to incandescence by nuclear fusion reactions in its core, radiating the energy from its surface mainly as visible light and infrared radiation with 10% at ultraviolet energies. Cognates appear in other , including sinne, CoreThe core of the Sun extends from the centre to about 20–25% of the solar radius. The Sun is classed as a G2 star, meaning it is a , with 2 indicating its is in the second range of the G class.
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