Electromagnetic Spectrum
The electromagnetic spectrum is made up of six different types of waves. Radio waves, Microwaves, Infrared waves, Visible light, Ultraviolet light, X-rays and Gamma rays. The radio waves are used to transmit radio and television signals. The infrared waves are used to tell temperature of areas. Visible light is all the colors that we can see. Ultraviolet light can help things grow but too much can cause diseases such as skin cancer. X-rays are used as a tool to find broken bones or take pitchers of our sun. Gamma rays are used in medical science but they are often used to produce images of our universe. The electromagnetic spectrum is the organization of six different wavelengths and each of them is having their own use. “The rainbow of colors that we see in visible light represents only a very small portion of the electromagnetic spectrum. On one end of the spectrum are radio waves with wavelengths billions of times longer than those of visible light. On the other end of the spectrum are gamma rays. These have wavelengths millions of times smaller than those of visible light. The spectrum in order from longest to shortest wavelengths is: Radio waves, Microwaves, Infrared waves, Visible light, Ultravi
m extremely powerful lights but the lesser the wattage the less color it will show. When the Sun shines on your shirt part of its ray is absorbed giving it a color. That is how color is brought into our world. Earlier in the report cell phones were mentioned and how they were related to the spectrum. Now you will learn how and maybe some new technology from Global Communications . Cell phones operate on high frequency radio technology and ultra-sophisticated phone switching devices. Cell phones bounce off of satellites scattered in space and on Earth. Allowing your cell phone to reach great distances so you can talk to that special someone, whether you are caught in a traffic jam or your plane flight is delayed. You will be able to call them to let them know that you will be running late. No matter what you use it for its about to take another step to make it even easier for you to use. Just think of all the possibilities that you have coming your way in global communications. olet light, X-rays and Gamma rays” . The most familiar forms of the spectrum are radio waves and light waves. The reason for that is, that we listen to the radio or use its waves more often than we think. For instance cell phones work off of radio waves. Light waves are used more often than we think because with out light we wouldn’t possibly be able to see color on any thing, o! Electromagnetic waves travel at a speed of 299,792 km (186,282 mi.) per second in a vacuum . Wavelengths and their frequency are important in determining their heating effect, visibility, and penetration. The Near-Earth Asteroid rendezvous mission. Is going out to study the Asteroids around Earth . This spacecraft will be using tools from the electromagnetic spectrum. The two tools NEAR will be using are x-rays and gamma rays. The mission will measure and map the abundance of various elements of the surface of Eros. Since the suns rays bounce off of Eros we will be studying it first . The rays cause Eros to give off different elements so that our x-rays will be able to study. The x-rays will help study the suns beam on to Eros telling us what elements are on it. They will also be able to take clear images of Eros surface. The Gamma rays will be used to study the elements 10 to 20 cm below the surface of Eros. The gamma ray dose this by beaming down to the surface of Eros getting absorbed in to the material allowing it to reach a certain point before it is completely absorbed. And since a gamma ray is more penetrating than an X-ray it would be able to reach farther down into the surface of Eros before it is completely absorbed. This mission will give us a valuable edge on the portion of the elements on asteroids' comets or meteors around Earths orbit. This is one classic example of the uses of the electromagnetic spectrum. When you go scuba diving under water you lose half the colors that you would normally see above water. All of the Warmer color
Some topics in this essay:
TVs Radio,
Asteroids Earth,
X-rays Gamma,
Maxwell Scotland,
Buckminster Fuller,
Earth Allowing,
Communications Cell,
radio waves,
Microwaves Infrared,
electromagnetic spectrum,
Electromagnetic Spectrum,
gamma rays,
visible light,
Near-Earth Asteroid,
cell phones,
surface eros,
infrared waves,
spectrum radio waves,
x-rays gamma,
skin cancer,
colors visible,
colors visible light,
waves light waves,
radio waves produced,
produce images universe,
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Approximate Word count = 1970
Approximate Pages = 8 (250 words per page double spaced)
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