Future of the Sun

Future of the Sun

This site tells the story of the history of the universe. Click Earlier and Later to follow the story.
Note: Many facts have been simplified to make them easier to understand.
Our new free weekly podcast Time Crystal tells this story as sci-fi fantasy

The solar system will last for 4 to 5 billion years. Then the Sun will run out of hydrogen to fuse and it will grow into a red giant star. The planets nearest the Sun (including the Earth) will be burnt away. By that time some form of intelligence will have spread from Earth far out into the Galaxy, or even to other galaxies.

Figure 1