Meanings

emission (of light)

light-emitting diode

faint light

scenic beauty

spectroscope

separation of light into its spectral components

spectroscopy

polarized light

variable star

northern lights

northern lights

nocturnal luminescence

luminous watch

luminous paint

Noctiluca scintillans (luminescent species of dinoflagellate)

lightning

sunrise viewed from the top of a high mountain

cold light

exposure

zodiacal light