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Count Iblis
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http://arxiv.org/abs/0801.4031"
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... on the scale of several billion years.Count Iblis said:http://arxiv.org/abs/0801.4031"
sylas said:... on the scale of several billion years.
Given the nature of this forum, it might be better to have a more descriptive thread title, and some actual text rather than a bare link.
The sad news for Earth in several billion years is that the sun will expand into a red giant, engulfing and destroying the Earth in the process.
This event is estimated to happen in about 5 billion years.
The sun will expand due to the depletion of hydrogen fuel in its core, causing it to collapse and heat up. This will result in the sun expanding and becoming a red giant.
As the sun expands, it will also engulf and destroy the inner planets (including Earth) in our solar system. The outer planets may survive, but will likely be pushed out to farther orbits.
No, this is a natural process of a star's life cycle and cannot be prevented. However, humans may have the technology to move to a different planet or solar system before this event occurs.