Luminesces

To emit light that is not caused by heat; to glow. This phenomenon occurs when a substance absorbs energy from an external source (like light, electricity, or chemical reactions) and then releases it in the form of visible light. The emitted light can appear in various colors and intensities, dependent on the nature of the substance and the energy source. Luminescence encompasses several sub-types, including fluorescence (immediate emission) and phosphorescence (delayed emission), depending on the duration of light emission after excitation.

Luminesces meaning with examples

• The bioluminescent jellyfish, drifting through the deep ocean, luminesces with a soft, ethereal glow, attracting smaller organisms to its stinging tentacles. The sudden bursts of light are a mesmerizing display of nature's ingenuity, a clear example of an animal producing light through a chemical process, and the dark ocean acts as the perfect canvas.
• In a laboratory setting, a solution of luminol, when mixed with a catalyst, luminesces with a brilliant blue light. This chemical reaction is often used in forensic science to detect traces of blood at crime scenes, where the iron in hemoglobin acts as the catalyst which causes this effect, and the intensity can provide information about the presence of other substances.
• Certain minerals, when exposed to ultraviolet light, luminesces with vibrant colors, a phenomenon valued by collectors and scientists. The fluorescent qualities of these minerals reveal their unique chemical compositions when observed under UV light, and a variety of colors are produced, dependent on the particular mineral type.
• The stars themselves do not simply burn like a fire, but they are in fact undergoing nuclear reactions; therefore, they luminesces through this complex process. The immense energy released from this process manifests as light and heat, making these celestial objects visible from across vast distances, and is therefore a very real phenomenon.