Light colour(or"colour temperature") is measured in Kelvins.
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It is measured in Kelvins(K).
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Its surface temperature is around 70,000 Kelvins.
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It is stable up to 17 Kelvins -256 °C.
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In this temperature scale water freezes at 273.15 Kelvins and
boils at 373.15 Kelvins.
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The temperature of the earth's core is around 7500 Kelvins, which is hotter than the surface of the sun!
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In Europe is it mandatory to use Celsius when quoting the temperature but
Fahrenheit and Kelvins can be used as supplementary units.
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It has a density of 150 g/cm3(150 times the density of liquid water) at the center,
and a temperature of 15 million Kelvins 15 million degrees Celsius,