How Hot Is The Sun?

When asked of the hottest thing that could burn melt and burn all things on earth, a quick response would be the solar systems very own Sun.

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The Sun is made up of different gases such as hydrogen and helium. Different areas of the Sun have varying degrees of hotness. Would you believe that what is considered as the coldest part of the Sun called the Sun spot has temperatures of 6,700 degrees Fahrenheit? It is several times hotter than a volcano’s lava. The Sun spot is an area of the Sun where cool and dark areas of magnetic disturbance erupt.

The surface of the Sun called the photosphere has a temperature of about 10 000 degrees Fahrenheit while the chromosphere or the layer of the Sun’s atmosphere lying beyond the photosphere is about 7,800 degrees Fahrenheit. The Sun’s corona or the outermost atmospheric layer can be as hot as about 180 000 degrees Fahrenheit. The farthest point of the corona from the Sun has temperatures that can reach to up to 3,600,000 degrees Fahrenheit. The corona is also that bright halo of light that that is seen during a total solar eclipse. The Sun’s hottest part is its center where temperatures of about 27,000,000 degrees Fahrenheit are registered.

The reason why the center of the Sun is its hottest part is a process called fusion. This process is also the reason why sunlight is seen here on earth. Fusion causes atoms of the gases in the Sun to collide frequently such that it produces enough energy to ionize the gases. Then the collision of the ions will result in nuclear reactions at rates sufficient enough to emit energy required to give the Sun its radiance and luminosity. The reactions in various parts of the Sun involve the burning of hydrogen to helium.

24 Responses to “ How Hot Is The Sun? ”



  2. hahaha123

    this really helped me with my progect thanks alot

  3. sanada

    if the sun come to the earth all the people will die

  4. sophie

    i cant beleve how hot the sun is

  5. kkreese

    its project not progect……..

  6. Planet/star sun

    I loved what u had to say thx

  7. hellokitty2004

    this helped me with my project a lot

  8. Quin

    The sun is on my leg it is really hottt

  9. Logan

    I hate this website

  10. nibiruforce

    How do you even measure temperatures at this distance

  11. Matherintaychey

    you are full of opinions and you need to get your facts straight

  12. tashia

    this is a very good websight

  13. goldengun

    du center of du sun is really hot. dangggg man

  14. Dom

    Nice info but this is science so why spoil it with Fahrenheit instead of Celsius ?

  15. Lindsey

    Thx this expland alot

  16. Lindsey


  17. vivek

    the sun is hot and if you go into the sun you can’t come back that why the sun is really hot

  18. charles

    There is no way someone can accurately know how hot the sun is. Its not like anyone has ever been able to go there.

  19. Mark Swarthy

    how did u people able to measure the actual temperature of the sun?

  20. Donald

    I love this website, ppl plz this is not an english class or english website but its pertainig to science of the universe

  21. raquel

    Can u tell me how u know how hot is the sun. Even if u send a metal thing to land there it would melt. I dont understand!! Can someone please XPLAIN!!

  22. nick

    its so hot lol

  23. bob

    wow thanks

  24. bob

    Im at school right know this really helped.