Sentence Examples with the word luminescence

The chromosphere, which surrounds the photosphere, is a cloak of gases of an average depth of 5000 m., in a state of luminescence less intense than that of the photosphere.

Michelson's experiments therefore argue in favour of the view that the luminescence in a vacuum tube is similar to that produced by phosphorescence where the translatory energy does not correspond to the oscillatory energy - but further experiments are desirable.

Gegen, opposite, and schein, shine), an extremely faint luminescence of the sky, seen opposite the direction of the sun.