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Does the sun produce radiation?
The Sun emits radiation right across the electromagnetic spectrum, from extremely high-energy X-rays to ultra-long-wavelength radio waves, and everything in-between. The peak of this emission occurs in the visible portion of the spectrum.
How does the sun use radiation?
When electromagnetic radiation from the Sun strikes the Earth's atmosphere, some of it is absorbed while the rest proceed to the Earth's surface. In particular, UV is absorbed by the ozone layer and re-emitted as heat, eventually heating up the stratosphere.
How is radiation created by the sun’s energy?
During nuclear fusion, the high pressure and temperature in the sun's core cause nuclei to separate from their electrons. Hydrogen nuclei fuse to form one helium atom. During the fusion process, radiant energy is released.
What is radiation from the sun called?
Solar radiation, often called the solar resource or just sunlight, is a general term for the electromagnetic radiation emitted by the sun. Solar radiation can be captured and turned into useful forms of energy, such as heat and electricity, using a variety of technologies.
Does the sun absorb radiation?
A significant portion of the Sun's ultraviolet (high-energy, shortwave) radiation is absorbed by ozone (O3) in the upper atmosphere (the stratosphere). Solar radiation that is reflected back into space by Earth's surface or atmosphere does not add heat to the Earth system. Absorbed radiation is transformed into heat.
Why can the sun transmit heat to Earth only by radiation?
The sun heats the earth through radiation. Since there is no medium (like the gas in our atmosphere) in space, radiation is the primary way that heat travels in space. When the heat reaches the earth it warms the molecules of the atmosphere, and they warm other molecules and so on.
How does heat energy get from the sun to the earth?
Energy is transferred from the sun to Earth via electromagnetic waves, or radiation. Most of the energy that passes through the upper atmosphere and reaches Earth's surface is in two forms, visible and infrared light. The majority of this light is in the visible spectrum.
Does the Sun absorb radiation?
A significant portion of the Sun's ultraviolet (high-energy, shortwave) radiation is absorbed by ozone (O3) in the upper atmosphere (the stratosphere). Solar radiation that is reflected back into space by Earth's surface or atmosphere does not add heat to the Earth system. Absorbed radiation is transformed into heat.
What happens to the heat from the Sun?
The sun's radiation strikes the ground, thus warming the rocks. As the rock's temperature rises due to conduction, heat energy is released into the atmosphere, forming a bubble of air which is warmer than the surrounding air. This bubble of air rises into the atmosphere.
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