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The Sun

<< 3/12 < > At the core, the temperature is 16 million degrees kelvin (K), which is sufficient to sustain thermonuclear fusion reactions. The released energy prevents the collapse of the Sun and keeps it in gaseous form. The total energy radiated is 383 billion trillion kilowatts, which is equivalent to the energy generated by 100 billion tons of TNT exploding each second. Fe XV (284 Å). Taken at 19:06 UT, 28 February 2000. This image was taken by SOHO's EIT (Extreme-Ultraviolet Imaging Telescope) and is courtesy of the EIT Consortium. The wavelength is iron. SOHO/MDI, SOHO/LASCO (ESA & NASA) SOHO is a project of international cooperation between ESA and NASA.

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