A FLAMING BALL OF GAS
The children meet a retired star, a silvery old man named Ramandu who has come to rest awhile from the great celestial dance on a remote island. One of the children, on hearing his tale, splutters out in disbelief, 'But Sir, in our land a star is just a huge flaming ball of gas.' Ramandu replies, 'My son, even in your world, that is not what a star is, but only what star is made of.
from A. J. (Sandy) Mackinnon - "The Unlikely Voyage of Jack de Crow" quoting from the at least equally wonderful C. S. Lewis' Narnia stories: