Tuesday, September 13, 2011

How hot is the Sun ?



It depends where you put your thermometer.....


CORONA (Outer atmosphere) : 2 million° C (3.6million°F)
CHROMOSPHERE (Inner atmosphere) : 20,000°C to 1 million°C
PHOTOSPHERE : 5,500°C
CORE   : 15 million°C
About 75% of sun is hydrogen,most of rest is helium.

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