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Topic: Bang Bang Bang


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In the News (Mon 28 May 12)

  
  Big Bang - Wikipedia, the free encyclopedia
The theory is based on the observations indicating the expansion of space (in accord with the Friedmann-LemaƮtre model of general relativity) as indicated by the Hubble redshift of distant galaxies taken together with the cosmological principle.
The Big Bang theory predicted the existence of the cosmic microwave background radiation or CMB which is composed of photons emitted during baryogenesis.
Using the Big Bang model it is possible to calculate the concentration of helium-4, helium-3, deuterium and lithium-7 in the universe as ratios to the amount of ordinary hydrogen, H. All the abundances depend on a single parameter, the ratio of photons to baryons.
en.wikipedia.org /wiki/Big_bang   (6154 words)

  
 Guardian Unlimited | Science | One Big Bang, or were there many?
The standard big bang theory says the universe began with a massive explosion, but the new theory suggests it is a cyclic event that consists of repeating big bangs.
With each bang, the theory predicts that matter keeps on expanding and dissipating into infinite space before another horrendous blast of radiation and matter replenishes it.
The Cosmological Constant is a mathematical representation of the energy of empty space, also known as "dark energy", which exerts a kind of anti-gravity force pushing galaxies apart at an accelerating rate.
www.guardian.co.uk /science/story/0,,1768191,00.html   (632 words)

  
 Big Bang Theory: iTeachMyKids.org
According to the big bang, the universe was created sometime between 10 billion and 20 billion years ago from a cosmic explosion that hurled matter and in all directions.
In 1927, the Belgian priest Georges Lemaître was the first to propose that the universe began with the explosion of a primeval atom.
The Big Bang Theory received its strongest confirmation when this radiation was discovered in 1964 by Arno Penzias and Robert Wilson, who later won the Nobel Prize for this discovery.
www.iteachmykids.org /art-big-bang.htm   (359 words)

  
 The Big Bang: Origin of the Universe
The Big Bang and its associated theories try to explain or describe the moment of change from nothingness and no time to the existence of the universe filled with space and marked by time.
The Big Bang theory holds that hydrogen and helium were the first elements created when the universe was formed.
Revisiting the big bang: date are toppling theories of the universe.
www.infoplease.com /ipa/A0004428.html   (486 words)

  
 Wiley::The Big Bang Theory: What It Is, Where It Came From, and Why It Works
This compelling book describes how the Big Bang theory arose, how it has evolved, and why it is the best theory so far to explain the current state of the universe.
One of the most well-known theories in modern science, the Big Bang is the most accurate model yet devised in humanity's tireless serach for the ultimate moment of creation.
The Big Bang Theory is the first title in a planned series on the major theories of modern science.
www.wiley.com /WileyCDA/WileyTitle/productCd-047127397X.html   (270 words)

  
 Build a PC with the Best Bang for the Buck--ExtremeTech Build It
Build a PC with the Best Bang for the Buck--ExtremeTech Build It Search
Only you can tailor a PC toward your specific tastes, but we think this configuration definitely delivers a whole lot of bang for the buck.
Reproduction in whole or in part in any form or medium without express written permission of Ziff Davis Media Inc. is prohibited.
www.extremetech.com /article2/0,1697,1825477,00.asp   (688 words)

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