Thursday, June 10, 2010

Why Universe ?




Episode("The Big Bang Theory"): A woman who moves into an apartment next door to two brilliant but socially awkward physicists shows them how little they know about life outside of the laborator, it is fun to watch.



The actual Big Bang theory come from the field of physics which used to explain the origin of universe, it is still highly controversial today because the theory doesn't expect to describe and indicate what is the "image" before the Big Bang, the book of "The First Three Minutes" by Steven Weinberg well describe the rigid physical phenomena which is very unlikely to be seem in the regular life. Steven said "the temperature of the universe was about a hundred thousand million (10^11)degrees Centigrade. This is much hotter than in the centre of even the hottest star, so hot, in fact, that none of the components of ordinary matter, molecules, or atoms, or even the nuclei of atoms, could have held together. Instead, the matter rushing apart in this explosion consisted of various types of the so-called elementary particles, which are the subject of modem high-energy nuclear physics."



This fantastic theory can supported by the discovery of Cosmic Microwave Background(CMB) discovered by Dr.Robert Woodrow Wilson and Arno Allan Penzias (Nobel prize 1978).

Being the signature of Big Bang, CMB radiation is a active field being explored by physicists today. The cosmic background explorer COBE was developed by NASA to measure diffuse infrared and microwave radiation from the early universe.



More will be continue!!

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