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How does cosmic background radiation provide evidence for the Big Bang theory?

The Cosmic Microwave Background Radiation (CMBR) is an isotropic (to one part in 10,000) and continuous radiation from outer space, whose spectrum is identical to that of a blackbody at 2.7K . All of these absolute facts are easy to explain if one assumes Big Bang Cosmology to be true. Indeed, they were predicted by proponents of BBC 18 years before anyone looked for radiation from space. Nothing about CMBR -- not even its existence -- can be explained by any alternative to BBC. Those who deny BBC are reduced to stating, "I agree to the facts about CMBR, but I have absolutely no explanation for its existence, isotropy, or spectrum."


What has cosmic microwave background radiation?

The CMBR is microwave radiation coming to our Earth with the same intensity (to within one part in 100,000) from all parts of the sky. Its spectrum is exactly that of a black-body -- ie, like that of a glowing object -- at a temperature 2.7 degrees above absolute zero. It is believed to be the remnant of recombination, 377,000 years after the Big Bang. No other hypothesis about our Universe can explain the CMBR other than saying, "It's just there and I don't know why it should be."


Who discovered Saturn moons?

The first person to discover Saturn`s moons was Christian Huygens in 1655. The following moons discovered in order are: Titan Discovered:1655 Discovered by:Christian Huygens Iapetus Discovered:1671 Discovered by:Giovanni Cassini Rhea Discovered:1672 Discovered by:Giovanni Cassini Tethys Discovered:1684 Discovered by:Giovanni Cassini Dione Discovered:1684 Discovered by:Giovanni Cassini Enceladus Discovered:1789 Discovered by:William Herschel Mimas Discovered:1789 Discovered by:William Herschel Hyperion Discovered:1848 Discovered by:William Lassell Phoebe Discovered:1898 Discovered by:William Pickering Janus Discovered:1965-1966 Discovered by: Audouin Dollfus Epimetheus Discovered:1966 Discovered by:Richard Walker Helene Discovered:1980 Discovered by: Pierre Laques Telesto Discovered:1980 Discovered by:Bradford Smith Calypso Discovered:1980 Discovered by:Dan Pascu Prometheus Discovered:1980 Discovered by:Stewart Collins Pandora Discovered:1980 Discovered by:Stewart Collins Atlas Discovered:1980 Discovered by:Richard Terrile Pan Discovered:1981 Discovered by:Showalter Other astronomers:Kevin Beurile, Brett Gladman, Matthew Holman and others. If you want to see the rest, go to wikipedia.com to see the article Timeline discovery of solar system planets and their moons.


When were the rings on Neptune discovered?

they were discovered 17 days after the planet itself was discovered.


What sort of radiation suggested evidence for the Big Bang?

The existence, isotropy, and spectrum of the cosmic microwave background radiation (cmbr) is extremely easy to explain if Big Bang Cosmology is true; it is impossible to reasonably explain even its existence with any alternate cosmological hypothesis.

Related Questions

How is the age of the Universe determined?

The age of the universe is determined by CMBR, which is left over energy from the Big Bang Theory. CMBR stands for Cosmic Microwave Background Radiation.


What is cmbr?

CMBR stands for Cosmic Microwave Background Radiation, which is the residual radiation left over from the Big Bang. It is the oldest light in the universe, providing valuable insights into the early universe's conditions and evolution.


How does cosmic backround radiation differ from the big bang?

Cosmic microwave background radiation was predicted by Big Bang Cosmology about 16 years before the former was discovered -- by accident. The existence, isotropy, and spectrum of CMBR are all exactly as predicted by BBC, and all alternatives to BBC are reduced to stating, "It's just there and there is absolutely no explanation for it."


What energy source does the earth obtain most of its energy from?

The Sun. Second, the CMBR (C osmic M icrowave B ackground Radiation).


What do we call objects that emit light in space?

Stars, quasars, clusters, nebulae, galaxies, superclusters, the CMBR (Cosmic Microwave Background Radiation).


Can the CMBR be redshifted starlight?

The odds are very much against it. The CMB matches expectations following from the Big Bang too well for it to be coincidental.


How is the wavelength of CMBR likely to change if at all over the next billion years?

The wavelength of cosmic microwave background radiation (CMBR) is not expected to significantly change over the next billion years. The expansion of the universe will cause the wavelengths to stretch slightly due to cosmological redshift, but this effect is relatively small over such a timescale.


How does cosmic background radiation provide evidence for the Big Bang theory?

The Cosmic Microwave Background Radiation (CMBR) is an isotropic (to one part in 10,000) and continuous radiation from outer space, whose spectrum is identical to that of a blackbody at 2.7K . All of these absolute facts are easy to explain if one assumes Big Bang Cosmology to be true. Indeed, they were predicted by proponents of BBC 18 years before anyone looked for radiation from space. Nothing about CMBR -- not even its existence -- can be explained by any alternative to BBC. Those who deny BBC are reduced to stating, "I agree to the facts about CMBR, but I have absolutely no explanation for its existence, isotropy, or spectrum."


What has cosmic microwave background radiation?

The CMBR is microwave radiation coming to our Earth with the same intensity (to within one part in 100,000) from all parts of the sky. Its spectrum is exactly that of a black-body -- ie, like that of a glowing object -- at a temperature 2.7 degrees above absolute zero. It is believed to be the remnant of recombination, 377,000 years after the Big Bang. No other hypothesis about our Universe can explain the CMBR other than saying, "It's just there and I don't know why it should be."


A sentence for cosmic?

In the 1960s, microwave radiation was detected coming from space and no particular source, and this radiation was dubbed the Cosmic Microwave Background Radiation (CMBR).


Is it possible to see the big bang?

No. We can observe some of the effects, such as the CMBR (cosmic microwave background radiation) and the expansion of the visible universe, but seeing it directly would require being outside the universe itself - which is impossible for us.


What is the past tense of discovered?

The past tense of "discovered" is "discovered."