L>Visible irradiate WavesRADIO WAVES| MICROWAVES | INFRARED| VISIBLE irradiate | ULTRAVIOLET| X-RAYS | GAMMA RAYSVisible light WavesVisible irradiate waves are the just electromagneticwaves we have the right to see. We see these waves together the colour of the rainbow. Ejuniorg8.comhcolor has actually a different wavelength. Red has the longest wavelength and also violethas the shortest wavelength. As soon as all the waves room seen together, she white light.

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when white irradiate shines with a prism or v water vapor choose this rainbow, the white light is damaged apart into the colors of the visible irradiate spectrum.

How carry out we "see" using Visible Light?

cones in our eyes space receivers because that these small visible light waves. The sunlight is a natural source for visible light waves and also our eyes check out the have fun of this sunshine off the objects about us.The shade of an object that we see is the color of irradiate reflected. All other colors space absorbed.Light bulbs are another source of visible light waves.This is an photo taken indigenous the spjuniorg8.come spaceship of Phoenix, Arizona.
This is a true-colorsatellite photo of Phoenix, Arizona.Can you see a difference between this image and also the photo over it?
There are two species of color images that deserve to be do from satellite data -true-color and also false-color. To take it true-color images, like this one, the satellite that took it supplied sensors to document data about the red, green, and blue visible irradiate waves that were showing off the earth"s surfjuniorg8.come. The data to be combined after that a computer. The an outcome is comparable to what our eye see.
Here is a false-color photo of Phoenix. Just how does it to compare to the true-color and spjuniorg8.come shuttle photos on this page?
A false-color image is made when the satellite records data around brightness of the irradiate waves mirroring off the Earth"s surfjuniorg8.come.These brightnesses are stood for by numerical worths - and also these values deserve to then it is in color-coded. The is as with painting by number!The colors favored to "paint" the photo are arbitrary, but they deserve to be preferred to either make the thing look realistic, or to assist emphasize a certain feature in the image. Astronomers can even view a an ar of attention by using software to change the contrast and also brightness top top the picture, just like the controls ~ above a TV! have the right to you watch a difference in the color palettes selected because that the two images below? Both imagesare that the Crab Nebula, the stays of an explosive star!
Here"s another example - the listed below pictures show the planet Uranus in true-color (on the left) and also false-color (on the right).

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The true-color has actually been handle to present Uranus as human being eyes would watch it native the vantage point of the Voyager 2 spjuniorg8.comecraft, and also is a composite of photos taken v blue, green and orange filters. The false color and extreme comparison enhancement in the image on the right, brings out ethereal details in the polar an ar of Uranus. The an extremely slight contrasts clearly shows in true color are greatly exaggerated here, make it much easier to studyingUranus" cloud structure. Here, Uranus discover a dark polar hood surrounding by a collection of significantly lighter concentric bands. One feasible explanation is the a brownish fog or smog, concentrated over the pole, is arranged right into bands through zonal movements of the upper atmosphere.

What does clearly shows Light present us?

the is true that we room blind to plenty of wavelengths of light. Thismakes it vital to use instruments that deserve to detectdifferent wavelengths of light to help us to examine the Earth and also theUniverse. However, due to the fact that visible irradiate is the component of the electromagnetic spectrum that our eyes have the right to see, our whole civilization is oriented roughly it. And many instruments that detect clearly shows lightcan view father and more plainly than our eyes could alone. That is why we usesatellites to look in ~ the Earth, and also telescopes come look at the Sky! This is a visible light image of Phoenix, Arizona, taken native the goes satellite. We frequently use visible light photos to check out clouds and also to aid predict the weather.
We not only look at the planet from spjuniorg8.come but we can also look at various other planets native spjuniorg8.come. This is a visible light photo of the planet Jupiter. The is in false color - the color were liked to emphasize the cloud framework on this banded world - Jupiter would not look choose this to your eyes. return to THE ELECTROMAGNETIC SPECTRUM