Southern Skies
The Infinite Monkey Cage
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The Future of the Sun
Our Sun has another 5 billion years on the main sequence, fusing hydrogen. After that, it will turn into a red giant star for maybe about 100 million years. It will snack on Mercury, double up Venus, and probably consume the Earth as well. But don't worry, before it consumes the Earth, the Earth will be a fiery husk before it even gets to us.
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