A gigantic, self-luminous sphere was hanging in the sky, occupying nearly the whole of it.
The interior of Jupiter is very hot, but the planet is not self-luminous.
It is two suns, self-luminous, revolving around each other, and neither able to throw upon its mate the burden of its shining.
These great and self-luminous points, bound together by natural affinity, constitute the fixed centre of our religion.
We discover that there are self-luminous bodies which produce no increase of temperature, and therefore no sensation of pain.
Astern was a white, self-luminous wake that narrowed to a point in the distance before it had lost its phosphorescent glow.
Our planet was once a self-luminous orb; it has now become opaque, and shines only with a borrowed light.
But the soul is self-luminous and ever lasting, omnipresent and super-eminent, while the mind is deceptive and egoism.
These last appear to be suns in the closing period of existence as self-luminous bodies.
But I think the opinion that the greater part of the light is self-luminous, like the nebul, generally prevails.
luminous lu·mi·nous (lōō'mə-nəs)
Emitting light, especially emitting self-generated light.