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Anything that gives off light can be said to radiate its own light. There are different types of light emission: incadescence, flourescence, chemiluminesence, and electroluminescence. Of all of these methods, only chemiluminescence is self contained - all other forms of light emission require an external source of energy. Only chemoluminescent materials, therefore, can be said to radiate their own light.
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Glow sticks are an example of chemoluminescent materials. Two chemicals in the stick are kept separate by a membrane. When the stick is bent sharply, the membrane ruptures, and allows the two solutions to mix and interact, thereby creating a chemoluminescent reaction.
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Bioluminescence is a naturally occurring example of chemoluminescence. Fireflies have light emitting organs that combine an enzyme (luciferase) with a pigment (luciferin), and the combination of these chemicals results in a chemoluminescent reaction.
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One could also argue that the sun, and all stars, are also self contained, and they therefore also radiate their own light.
What else can I help you with?
What is the definition of a primary light source?
The primary light source is the sun for the planet Earth.
What radiates or reflects light?
Bright!
What are the caues of ultraviolet light?
It is a form of light that radiates from the sun.
Which layer of the sun radiates light?
That would be an outer layer called the, "Photosphere".
Name a huge gas sphere that radiates light?
The Sun.
Why is a radiator like a light bulb?
because it radiates heat
Why a radiator is like a light bulb?
because it radiates heat
Can a star reflect the sun's light?
Stars are themselves celestial bodies that emit light by atomic fusion and fission and is not a dead planet to reflect our sun's light.
The layer of the aun that radiates most of the light that reaches Earth is the?
Photosphere
The moon produces light by internal fusion?
No. The only body in the solar system that radiates its own light is the Sun. All other bodies in the Solar System , especially including the Moon, shine only by reflected sunlight.
What it gives off its own heat and light?
The sun gives off its own heat and light through the process of nuclear fusion in its core. This fusion of hydrogen atoms creates enormous amounts of energy that radiates out into space as heat and light, providing warmth and light to Earth and the other planets in the solar system.
What radiates most of the sunlight we see?
The photosphere of the sun emits visible light.
