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The Sun is the primary source of radiant energy that emits electromagnetic radiation toward Earth's surface, including visible light, infrared radiation, and ultraviolet radiation. This energy is essential for sustaining life on Earth through processes like photosynthesis and heating the planet.
The part of the Sun's surface that emits the radiation we can see is called the photosphere. It is the visible surface layer of the Sun and has a temperature of around 5,500 degrees Celsius. This is where most of the visible light and heat that we receive from the Sun originates.
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The Earth's surface emits thermal radiation in the form of infrared energy. This radiation helps to maintain the planet's temperature balance by releasing heat absorbed during the day back into the atmosphere at night.
The outermost layer of the sun's surface is called the photosphere. This is the visible surface of the sun that emits light and heat. It has an average temperature of about 5,500 degrees Celsius.
The Sun's outer layer, called the chromosphere, emits ultraviolet (UV) light. This region is located above the visible surface of the Sun, known as the photosphere, and is responsible for producing the majority of the Sun's UV radiation.
The primary wavelength of radiation emitted by Earth's surface is in the thermal infrared range, typically around 10 micrometers (μm). This is known as long-wave radiation, which the Earth emits as heat energy.
The visible surface of the sun is called the photosphere. It emits light that we can see, and is where most of the sun's energy is radiated into space.
photosphere
The Earth's surface transfers heat to the atmosphere primarily by convection and radiation. As the surface heats up, air in contact with the surface warms up and rises, creating vertical currents of warm air. At the same time, the Earth's surface emits radiation in the form of heat, which is absorbed by the atmosphere.
The name for the sun's sphere of light is called the photosphere. It is the visible surface of the sun that emits light and heat.
The photosphere is considered the sun's surface because it is the visible layer of the sun that emits light and heat into space. It is where most of the sun's energy is produced and is the layer that we see when we look at the sun.