When Will the Sun Blow up?

Answer

The Sun is an averaged size star so it doesn't have enough mass to explode. Instead it reheats and expands into a red giant, so earth will be vaporized within the sun.
1 Additional Answer
The sun has a gravitational pressure that is directed inwards. So in reality the sun will not blow up the way we think of an explosion. It is neither a nova or supernova star.
Q&A Related to "When Will the Sun Blow up"
The sun will blow up because it is a star, a medium sized star that is, and all stars live, they are born, they live, and die, just like us humans. The sun is about half-way through
http://wiki.answers.com/Q/What+is+the+sun+going+to...
4-5 billion years
http://www.chacha.com/question/when-will-the-sun-b...
Harri, The sun will never go supernova, or nova, but it WILL expand very dramatically in about 5 billion years, and become a red giant. That's 5,000,000,000 years. When this happens
http://en.allexperts.com/q/Astronomy-1360/astronom...
The sun is expected to die out in around 5 billion years but life on earth should be long gone by then!
http://www.kgbanswers.com/when-will-the-sun-blow-u...
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