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Astronomical question and answer 288


Frank L. Preuss


What is the redshift controversy?


Halton C. Arp challenged the fundamental assumption of modern cosmology, that redshift is a uniform indicator of distance.

Have a look at http://www.countdown4us.com/en022014/en022014007.htm

Now comes a quote:

Astronomers can only understand the universe by analyzing the light that comes from a celestial object. A major way of breaking down the light for study is to split it into its component colors with a prism. When raindrops act as a prism, we get the rainbow. Astronomers add a slit, which focuses the colors of starlight into a band. Quantum mechanics describes how atoms absorb and emit light in only very specific colors. Whenever a gas of hot atoms glows, like on the surface of a star, we know in what colors that gas should glow. If a galaxy, which is composed of millions of stars, is coming toward us, or going away from us, those specific colors change just slightly. This is called the Doppler Shift, and is the same effect that causes a car's horn to change pitch as it passes you.

If a galaxy is coming toward us, the specific colors of atoms become slightly bluer. If the galaxy is going away they become redder. Astronomers call this blueshifting and redshifting. All of the distant galaxies Arp observed were redshifted, meaning they are travelling away from us. Astronomers interpret this to mean that the fabric of the universe is expanding, pulling all the galaxies away from all the other galaxies. The farther a galaxy is away from us, the more intervening space there is to expand. This extra distance "pushes" the galaxy away faster, making the specific colors appear redder the farther away a galaxy is from us. The distance to all but the nearest galaxies is virtually impossible to measure by most techniques, and the remaining techniques require a supernova to erupt in a galaxy to facilitate the measurement of the distance. Astronomer Edwin Hubble solved this problem by applying the redshift-distance relationship in reserve, assuming the distance to a galaxy is related to its redshift by Hubble's Law, so all an astronomer needs to do is measure the galaxy's redshift, and the distance to that galaxy can be computed.

Now another quote:

There are some assumptions we have to make - for example, that the elements have the same spectral lines "out there"

If one astronomer questions the astronomers’ belief in the redshift, then the astronomers are upset, because it threatens their make-belief system of truth that it could collapse and all their theories, which they sell to the world as truth, come to nothing.

So this controversy nicely highlights what their science really is – a system of pushing their atheistic beliefs.

When they say, they have to make some assumptions, then that actually means that the number of assumptions they are making is so high that they do not even attempt to tell the public how many there are. And as their science is a science, where it is difficult to prove something, because one cannot go there and check, they can tell us about stars, whatever they want.

And as astronomers are mostly paid by the state, their star gazing is just a beautiful occupation.



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