Friday, January 9, 2009

The 2nd week, Jan- The Sun


The temperature of the surface of the Sun is 5,778 Kelvin(About 6,000 Centigrade).
That's extremely hot, and gives the Sun's light its yellow color.
If the Sun were any cooler, it would be more of a reddish color.
And if the Sun were hotter, it would look blue.
The Sun is hot enough to give off the white yellow light that we see.
The temperature of the inner core of the Sun is about 15,000,000 Centigrade.
*How to measure the temperature of the Sun?
The big thermometer ?

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