Why does the sun keep shining?

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  • 1 decade ago
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    Hydrogen in the Sun's core undergoes fusion to form helium. This provides energy which eventually is released at the surface in the form of visible light. The hydrogen in the core will eventually run out, but that won't happen for billions of years.

  • Anonymous
    1 decade ago

    No one is sure why the sun shines the way it does. Back in the 1960's, NASA sent some astronauts to land on the sun and figure out how it worked. In order to avoid the sun's heat, they were going to land at night. Unfortunately, we never heard back from the astronauts so we don't know what they found.

    Giz

  • 1 decade ago

    Because it is always burning its hydrogen which then will eventually run out but after that it would need to (our star because it is small) start to rise its temperature to make and burn helium which makes the star a red giant and then it would once burn all its heliums reduce its mass to the white dwarf and slowly dim as time goes by as in the other hand :

    if our sun was a giant its fait would be a dramatic supernovae explosion which wouldnt be good.

  • 3 years ago

    no probably... this is in many circumstances basically defined from the regulations of the thermodynamics.... this is something that's reported to be energetic will supply out capability... this holds sturdy for black holes tooo.... which grow to be as quickly as thought in any different way..... our sunlight will stay for yet another 5 million years from that it's going to grow to be a pink substantial and swallows the 1st 3 planets... then turns right into a white dwarf,and burns the helium,as quickly as this is getting over it dies out for ever..... desire this would helped u.... thank you

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  • Anonymous
    1 decade ago

    the sun keeps shining because it is hot. it remains hot because it is powered by nuclear fusion in its core.

  • 1 decade ago

    Nuclear fusion

  • 1 decade ago

    It's a burning star.. it should keep doing it until it explodes and we all die.

    0.o

  • 1 decade ago

    its a burning star...fusion

  • Anonymous
    1 decade ago

    why not!!!!

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