Verified answer

A redshift is when light in the visible spectrum is observed at a longer wavelength than when it was emitted. This is because red has a longer wavelength than blue. Astronomers can tell what kind of light certain stars should emit and can measure that against what we see to tell how much redshift there is.

Think of light as a wave, and if you are moving away from the wave source, the crests of the wave will reach you with a greater amount of space in between them. So when an object in space is moving away the light is stretched out making the wavelength longer to our observation.

This supports the big bang because when astronomers look in every direction they see all the galaxies are moving away and ones that are further away are moving faster. This is the same view from all galaxies.

A great explanation of how this works can be found here: http://hyperphysics.phy-astr.gsu.edu/hbase/astro/h...

Put simply, redshift is when a star is moving away so the wavelength of light appears stretched out (towards the red) and viewing this in all directions supports the big bang theory of an expanding universe.

Red shift supports the idea that our universe is expanding. But it also ties into the big bang because if space is expanding, it must have been closer together in the past.

All redshift is is light from moving objects. If an object is moving away from you it's wavelength will appear red; if it's moving towards you it appears blue.

sure, on the grounds that mild which shifts to the crimson end of the spectrum exhibits the article is shifting far flung from the observer and all galaxies seem to be shifting far flung from one yet another; as though all galaxies are the outdoors of a balloon and the balloon is increasing ... in case you run the action picture backwards, all those galaxies could have been at a unmarried element, the element the place the great bang befell.

Like the owl guy said, that is exactly what a redshift is. It does give some support. If something is moving away, then it shows that we are expanding, then the opposite is shrinking. What happens when you continue to shrink something? It all goes away. Thus we all could have began at once.

THE READ SHIFT is the prime visual argument for an expanding universe.The galaxies assumed to be at the center or near us moving relatively slowly are seen at the blue end of their spectra.The galaxies moving at moderate speed away or towards us are seen at the green end of the spectra and the galaxies moving away from us at a greater speed are seen at he red end of their spectra.

red shift=everything going *away* from us, like expanding

big bang=universe expanding

bingo!