The Cosmic Glow: Unveiling the Secrets of Blackbody Radiation: From Stars to Light Bulbs
Have you ever noticed how a stovetop burner glows red when it gets hot, or how the sun emits a white light? We have so many such phenomena around us in our day-to-day lives like- Light Bulbs – The filament inside an bulb heats up and glows, emitting visible light and infrared radiation. Molten Metal – When metal is heated in a forge, it first glows red, then orange, then white as its temperature increases. Electric Toaster Wires – The heating elements in a toaster glow red-hot as they emit thermal radiation. Lava from a Volcano – Freshly erupted lava glows red, orange, or white depending on its temperature. Stars in the Night Sky – Different stars appear red, yellow, or blue due to their surface temperatures, following black body radiation principles. A Fireplace Ember – Burning wood or charcoal glows red as it emits infrared and visible light. Infrared Camera Views of Warm Objects – Even objects that don't visibly glow (like human skin or animals) emit infrared radiation de...