Does The Sun Emit EMF Radiation? 5 Important Facts To Know


When we talk about EMF radiation we normally focus on radiation from electric fields, magnetic fields, and radio waves. But what about the sun, does it also emit these types of EMF radiation?

Does The Sun Emit EMF Radiation?
The sun emits lots of EMF radiation. This EMF radiation is what we call infrared light, visible light and ultraviolet radiation (UV). This is shortwave radiation that contains a lot more energy than radio waves and electricity which are longwave radiation.


Abbreviations used in this article:
EMF: Electromagnetic Fields (All types of radiation)
RF: Radio Frequencies (Radiation from wifi, cell towers, and other wireless technologies
ELF: Extremely Low Frequencies (Radiation from power lines)


Here’s everything you need to know about the EMF radiation from the sun.

What Types Of Waves Does The Sun Emit?

Sunlight and EMF radiation

When we are talking about waves and radiation energy we are talking about the difference in the length of the waves. Some waves have a short wavelength while other types of waves have a longer wavelength.

This is easy to illustrate by looking at waves in the ocean. The distance between Beach wave is the wavelength. The shorter the wavelength, the more energy is contained in the wave and the longer the wavelength, the less energy it will contain.


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So, what types of waves does the sun emit?

When we are talking about waves from the sun we are talking about high-energy waves with a very short wavelength. The sun emits three types of EMF:

  1. Infrared light
  2. Visible light
  3. Ultraviolet light

These are the three types of radiation we get from the sun and we need the ultraviolet light in order to get our vitamin D. On the other hand, we do not want to get too much ultraviolet light on our skin because it also produces sunburns which are dangerous for us.

The ultraviolet light from the sun is actually the only type of carcinogenic radiation that also has the benefit for humans.

Does the sun emit longwave radiation?

The sun doesn’t commit longwave radiation and this is because it is extremely hot.

The hotter the source of the radiation is the shorter the wavelength will be off the radiation it emits.

So as you know, the sun is extremely hot and this is why it is in emitting shortwave radiation toward the earth. The sun’s temperature is around 10,300 Fahrenheit (5,704 Celsius) and this causes it to emit these very special types of radiation.

So, the sun will not emit what we call RF radiation and ELF radiation. These types of radiation are what we find from electronic devices and power lines. It is because of the sun’s extremely high temperature that it doesn’t admit these types of EMF’s.

In Which Waveband Does The Sun Emit The Most EMF?

Most of the radiation we get from the sun this what we know as visible light. It falls within 600 THz (Terahertz), which is equivalent to 600,000,000 MHz (Megahertz).

This radiation contains all the colors from nature as you can see in the rainbow when the rain has fallen before the sun breaks through the clouds.

Not all of the radiation from the sun will actually reach the Earth’s surface. Some of the more dangerous radiation will only reach the upper atmosphere and get filtered out before the rest of the radiation reaches the earth.

Once in a while, we will experience what is called solar flares. when this happens the sun can also emit X-rays which are really dangerous to humans. These are waves with the extremely short wavelength. They are also known as ionizing radiation and they are very dangerous because they can break down chemical bonds in our body very easily.

Now that the upper atmosphere has taken care of the most dangerous types of sun radiation the rest of it will travel the last miles down to the surface of the earth. This is the visible light, the infrared light, and the ultraviolet light. These are the three types of EMF we normally get from the sun.

The ozone layer is supposed to filter out most of the ultraviolet light from the sun. This is also why it’s a problem when the ozone layers are disappearing or getting weaker.

When the ultraviolet EMF is absorbed by the ozone layer it is transformed into heat. Some of it radiates back out into the universe and some of it will head toward the earth.

The visible light is a mix of different wavelengths. Each wavelength of the visible light from the sun has its own color. This is how we can see the many colors of the rainbow or if we send the sunlight radiation through a prism. When doing so, we can see all the colors of the white light.

They are our main energy source and they heat up the earth.

The Sun Re-emit Radiation Back

As a result, the earth will also emit radiation. This is called shortwave radiation because the earth is not as hot as the sun.

If the earth didn’t emit radiation back out into space it would become warmer and warmer and eventually not be livable for humans.

This is also why we always have some background radiation here on earth. This radiation is much cooler and less harmful than the radiation from the sun because the wavelength is shorter.

Remember, the hotter the source of the radiation is the shorter the wavelength will be. This is why the radiation from the sun is shortwave radiation while the radiation from the earth is shortwave radiation.

What Controls How Much Radiation The Sun Emits?

The energy emitted from solar radiation is pretty constant from year-to-year.

Once in a while, we have what is known as solar flares. When this happens the sun can admit x-rays.

The solar flares play a big role in how much radiation is submitted from the sun.

But it’s also important to look at the factors that limit the suns radiation from our end here on earth. Here we have the ozone layer which is absorbing parts of the UV-light, as we looked above.

Whenever the sun is emitting high levels off shortwave radiation (such as x-rays) it’s important not to stay out in the sun at all possible. But most of the time it’s a great idea to get some amount of sunlight because it contains important vitamin D, which we need in our bodies.

George Willington

I'm George Willington. I've researched EMF radiation in order to create a safe home for my family. My background is Information Science (University of Aarhus, Denmark) and I've worked with Wifi and router communication for many years. I believe I have a good understanding of the technical side of the various types of EMF. I hope you can learn something from my tips and guides.

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