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Red shift shows that the distance between all points in our Universe has been increasing at a constant (approximately) rate. Thus, there must have been a time when the distance between points in our Universe was so small that all matter must have been (almost) infinitely dense. Based on our present calculation of the expansion rate, scientists have concluded that this time was 13.8 billion years ago.

If Big Bang Cosmology is correct, then the existence, spectrum, and isotropy of the cosmic microwave background radiation are all very easy to explain. For all other hypotheses, even the existence of the cmbr is impossible to explain. Science requires that, when one hypothesis perfectly predicts an observation while another doesn't, you prefer the former.

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Q: How does red shift and cosmic radiation support the big bang theory?
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Related questions

What evidence was used to develop the big bang theory?

The red shift and the cosmic microwave background radiation was the evidence used to develop the big bang theory.


What is the diffeference between cosmic background radiation and red shift?

The two are completely unrelated.


How does red-shift support the steady state theory?

Red shift does not support the steady state theory.


What is the difference between cosmic background radiation and red shift?

Cosmic microwave background radiation is a specific radiation. Red shift is a change in frequency due to the fact that an object moves away from us (or for some other reason, such as a gravitational well); and that affects ALL types of radiations.


How does cosmic microwave background radiation and red shift shown by distant galaxies support the big bang theory?

Red shift is the easiest to understand. Galaxies move away from us, therefore they move away from one another, therefore they must have been closer together in the past. (Redshift is usually interpreted to be the result of the cosmological Doppler effect.)As for the cosmic microwave background, both its relative homogeneity and the degree of minor inhomogeneities are basically in close agreement with the predictions of Big Bang + Inflation.


The big bang theory of the formation and expansion of the universe is supported by the observed?

There are several astronomical observations which support the Big Bang theory. First of all, the universe is expanding. That can be measured by observation of the Doppler shift in radiation emitted by various stars, galaxies, quasars, etc. Furthermore, the more distant any given astronomical object is, the more rapidly it is receding from us. This is consistent with the expected result of the Big Bang. Secondly, we have observed what is known as the cosmic background microwave radiation. The sky is filled with radiation, no matter in what direction you look, and it corresponds to the radiation that would be emitted by an object at a temperature of about 4 Kelvins. This is also consistent with the expected residue of the Big Bang, 13.8 billion years later (the universe has cooled off a lot, in that time). It is also possible to assess the chemical constituents of the universe, the quantities of hydrogen, helium, and other elements, which can be observed by spectrographic analysis, and again, the results are consistent with the Big Bang theory. Everything fits.


Is the big bang theory supported by the infared shift?

The big bang concept is the theory that most successfully explains many observations, including the redshift in the spectra of distant objects, the cosmic microwave background and its non-uniformities, and the observed rates of galaxy formation in the past.


What evidence in 1956 that supports the big bang theory?

1) The existence, isotropy, and spectrum of the Cosmic Microwave Background Radiation. It was predicted sixteeen years before it was detected, and has been found to be exactly as proponents of Big Bang Cosmology (BBC) say it should be. All other hypotheses are reduced to saying, "I know the CMBR is there, I just have no explanation for it." 2) The red-shift of all distant galaxies, with the size of the red shift being proportional to the galaxies' distance from us. All observations of this red shift support a Universe that was far denser about 13.7 billion years ago. 3) The ratio of hydrogen and helium in our Universe is exactly as predicted by BBC. 4) Quasars are distant from us (ie, far in our past), but none are close. 5) The ratio of isotopes with long half-lives to their decay products show none of the former existed prior to about 12 billion years ago. 6) No white dwarf stars -- which will remain stable for tens of trillions of years -- have been found older than about ten billion years. The evidence for BBC is as strong as the evidence that our Earth goes around our Sun.


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No. You cannot shift your obligation for support to the child.No. You cannot shift your obligation for support to the child.No. You cannot shift your obligation for support to the child.No. You cannot shift your obligation for support to the child.


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The shift click support always stays as shift and cannot be changed.


How is the red shift different than the blue shift?

Radiation from a source moving away from the observer is red-shifted. Radiation from a source moving towards the observer is blue-shifted.


What are two pieces of evidence of the big bang and that the universe is expanding?

1) Red shift seen in all distant galaxies, whose size is propotional to the galaxy's distance from us. 2) Existence, isotropy, and spectrum of the cosmic microwave background radiation.