- "A small unregarded yellow sun."
- —Sol's description[src]
Sol was a small and unregarded yellow sun in the uncharted backwaters of the unfashionable end of the Western Spiral Arm of the Galaxy. It was the centre of the solar system which contained the Earth, before the latter was destroyed, and Rupert. Venus, Neptune and Pluto are briefly mentioned, and asteroids.
Sol is mentioned in: