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Message: <blockquote data-quote="Khalil" data-source="post: 318462" data-attributes="member: 9938">The sun is a planet? What kind of education were you introduced to? When the Sun's core is out of Hydrogen and Helium, it will stop burning and begin to die, that's when it'll start to expand, thus devouring everything in its orbit, including Earth and others. After a large expansion, the Sun will explode.So the answer to the question 'How long till the world ends?' is: Whenever the Sun's core is out of Hydrogen and Helium, which scientists estimate is going to happen in 5 billion years from now. And that is the answer to only the end of our world, which is just a tiny tiny, very tiny piece of the Universe. The real answer of when everything will end is unknown. Unfortunately.This.</blockquote>