“Aren’t you a star any longer?” asked Lucy. “I am a star at rest, my daughter,” answered Ramandu...
“In our world,” said Eustace, “a star is a huge ball of flaming gas.”
“Even in your world, my son, that is not what a star is but only what it is made of." [--Ramandu]
C.S. Lewis, The Voyage of the "Dawn Treader"