What caused the big bang happened

What is before the big bang? What caused the big bang happened? How much the same reason the universe exist?The simplest and the most honest answer to the question, I'm afraid is unknown.Of course, there are still a lot of people are not willing to "I don't know" ansi b16.5 class 150 weld neck flange these three words. So he had to suffer the literature of science and technology, as well as those ideas.

Among them, the last century, 20 or 30 s has a group of scientists, including Albert ? Einstein proposed that the universe may be a between expansion and contraction poles more than the eternal life cycle, cycle. This origin theory obviously violate the second law of thermodynamics, was proved to be not so established. On the nature of the universe is in constant attenuation not reset. But this theory until now still have many followers.

Another famous film is the theory of cosmology, it is the representative figure of Princeton university, Paul ? stein professor hart. This theory is that the big bang is the cause of the two has hit "film" - a 3 d world through a higher dimensional space. If people want to understand more intuitive, armed with two fold paper to collide with each other is astm a234 seamless carbon steel tee the most visual explanation. When a collision occurs in two sheets of membrane, the universe was born, then each rush thing two membrane. However, after one trillion years or so, they will also meet again and repeat the same thing, that is to make a new big bang and a new universe. , according to the calculus of staten hart, the process does not violate the second law of thermodynamics, so the cycle, there is no end.

Above two, eternal round the universe had a by the theory of "inflation" evolved from important branch. Cosmologists Andre ? short radius 90 degree elbow sociologists Alan ? gus, namely "theory of inflation" participant realized, according to his theory model, the number of the big bang was not an and should be numerous, and each one is led to the creation of a new universe. In their model, the "eternal inflation" pluralistic universe rather than our unique, both in scope and duration of the multiverse is endless. Each universe is derived from a single quantum fluctuations in the field, and rapidly developing. These energy field can be seen as a prelude to big bang, in the words of gus himself, is "the ultimate free lunch".

With our vision of the world inflation under the theory of the multiverse, there will be a very strange feeling. Each universe will have its own laws of physics, some may be very similar to our own, while others may be the opposite. Try to use a set of rules of string theory explain all particles and forces are predicted, different total number of the universe, will reach 105. Of course, this is just a guess.

Compared with other theories, inflation theory and current have been observed in real with one of the many features of the universe, and therefore won the support of numerous empiricist. For example, it forecasts a special pattern of the cosmic microwave background, and the Wilkinson microwave anisotropy probe as well as the Planck satellite observations provided the forecast. While this case is still not completely decided that inflation theory completely correct, but does seem inflationary theory is one of the most credible theories.