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It might have been a million years later that I perceived, beyond possibility of doubt, that the fiery sheet that lit the world, was indeed darkening.
Another vast space went by, and the whole enormous flame had sunk to a deep, copper color. Gradually, it darkened, from copper to copper-red, and from this, at times, to a deep, heavy, purplish tint, with, in it, a strange loom of blood.