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How Hot Is The Sun?

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Amman Aamir Profile
Amman Aamir answered
It is rather hard for us to realize that our sun is merely just another star in the sky. This is probably because we think of the stars as looking so tiny. The sun looks larger than any star because it is only about 93 million miles from the earth. The nearest star is 25 billion miles away!

What is the temperature on the surface of the sun? Scientists believe that it is about 6,000 degrees Centigrade. To give you an idea of how hot this is, white-hot molten iron used in making steel reaches a temperature of about 1,430 degrees. So you see how much hotter the sun's surface is. And as for the interior of the sun, astronomers estimate it may be as hot as 20,000,000 degrees Centigrade.

Remember, scientists are only making a "guess" about this, because we know almost nothing about the interior of the sun. We do know something about the composition of this star. For example, it has been learned that the sun contains more than 60 of the chemical elements present in the earth. But it is hard to study the sun's interior because the sun is surrounded by four layers of gaseous matter.
nanna nanna Profile
nanna nanna answered
   The temperature of the surface of the Sun is 5770 Kelvin which is 5,500 Celsius (or 10,000 F). Stars which appear bluish are hotter than the Sun, stars which appear reddish are cooler than the Sun. For example: Rigel, Vega and Sirius are blue (hot), Arcturus, Aldebaran, and Betelgeuse are red (cool)." These numbers and examples come out of an astronomy textbook.      Here is a great site to answer lots of questions.  imagine.gsfc.nasa.gov
Anonymous Profile
Anonymous answered
VERY HOT! That was a quick answer wasn't it! Now if you want a more in-depth answer, here it is: The temperature at the surface of the sun is about 10,000 Fahrenheit (5,600 Celsius). The temperature rises from the surface of the sun inward towards the very hot centre of the sun, where it reaches about 27,000,000 Fahrenheit (15,000,000 Celsius). The temperature of the sun also rises from the surface outward into the solar atmosphere. The uppermost layer of the solar atmosphere, called the corona, reaches temperatures of millions of degrees. The corona is the bright halo of light that can be seen during a total solar eclipse. If we used a magnifying glass (please don't try this at home!) we can see just how much heat comes off the sun. Held long enough in one spot, the sun rays will burn any flammable material underneath the magnifying glass. It is believed by some that as out ozone layer slowly becomes destroyed, our planet will warm up even more, resulting in much hotter summers. Although some sun-worshippers might like the idea of this, it is possible that our planet could become so hot that we wouldn't be able to survive the heat.

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