where is the light come and how it formed
gad0417:
An elegant interaction powers the sun, producing the light and energy that makes life possible. That interaction is called fusion, and it naturally occurs when two atoms are heated and compressed so intensely that their nuclei merge into a new element. This process often leads to the creation of a photon, the particles of light that are released from the sun. However, before exiting our star, each photon must first undergo a long journey. Over the course of 40,000 years
it will be absorbed by other atoms and emitted repeatedly until reaching the sun's surface. Once there, the photons stream out, illuminating Earth, the solar system and beyond. The number released from the surface every second is so vast that it is more than a billion billion times greater than the number of grains of sand on our planet. Watch the animation to see how atoms deep inside the sun's core melt together and generate light.
cant put link for animation in
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Light
- Light is an electromagnetic wave.
- An Electromagnetic wave has amplitude.
- It is the brightness of the light.
- EM Wave has a wavelength which is the colour of the light.
- Light is generated when a charged particle oscillates or accelerates
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Fusion occurs in the sun's innermost core, when two atoms merge, releasing energy and light in the process. Photons of light are first created in the sun's center. Over tens of thousands of years, the photons travel a "drunken walk," zigzagging their way from atom to atom until they reach the surface.
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