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Activity Discussion Science & Technology how sun is burning without oxygen

  • how sun is burning without oxygen

    Posted by Bongiwe on May 6, 2021 at 8:00 am

    We all know burning need oxygen and space don’t have oxygen around the sun then how sun is burning without oxygen

    • This discussion was modified 1 year, 7 months ago by  Bongiwe.
    Edutuber replied 1 year, 7 months ago 2 Members · 1 Reply
  • 1 Reply
  • Edutuber

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    May 6, 2021 at 3:53 pm
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    Bongiwe, that’s a great question!

    Sun is the largest celestial body in our solar system. But it is not the biggest star in our galaxy . There are giants outside our solar system which are larger than sun. So we all have seen sun burning bright throughout the day. We even receive a sunburn if we stay under scorching sunlight for some time. So it is true that Sun is burning and it is too hot at its surface. But we also know that in the space there is only little to no oxygen left . We cannot even breath without oxygen tanks at there. Then how do Sun burn so bright without oxygen? To answer this lets go back to 4.6 billion years ago. A huge gravitational collapse happened. Dust and other particles are scattered at the space . Some of these dust particles get squeezed together so tightly to form baby Sun. Inside the Sun these particles which include mainly Hydrogen atoms began trying to move. So the Sun found a solution. He began to fuse two Hydrogen atoms together to form a Helium atom ( a little bit family planning 😉 ). This process is termed as NUCLEAR FUSION. Fusion means mixing of more than one item. Here, 2 Hydrogen is combined together to form a Helium. Throughout this process, a large amount of energy is released . It is released in the form of heat and light. This energy is received by other celestial planets including our earth in the form of sunlight and heat. So sun is not combusting, it is fusing Hydrogen atoms together.

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