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Wisen 19.02.2011 19:47:37


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The stars are in fact created a number of gas disks that have fallen in the process of formation, resulting in the formation of new stars. The findings of scientists published in the journal Science Express and reveal a completely new view of the design of the first formations of stars after the Big Bang. The stars formed from clouds of space gas through a complex and violent struggle between gravity indent and internal gas pressure. The density of the gas increases due to gravitational attraction, with the result that the gas is heated. Consequently increases the pressure and compaction process is stopped. And if in this case the gas succeed 'get indent rid of' thermal energy, compression can continue and a new star is born. The process of cooling turns out to be extremely successful if gases contain chemical elements such as carbon and oxygen.
Stars that formed in this way tend to have less mass, like it is our own Sun. But in the early universe, these elements are just starting to emerge, so the primordial cosmic gas could not sufficiently cooled rapidly. Because of this, most theoretical models provides that the mass primordial stars around a hundred times greater than the mass of the Sun. Scientists of the University Centre for Astronomy and astrophysics Heidelberg Max Planck Institute for Astrophysics have for this purpose connected with their colleagues from Texas to help investigate the said phenomenon. Dr. Paul Clark from the Center for astronomy is the process of star formation studied by means of high resolution computer simulations. The findings of his team suggest that the early universe was not only populated with large and individual stars. Gas which creates a swirling star, so that the gas can not fall directly onto the star, but create the first disk-like structure. indent And because of internal friction can be gas continues his 'journey' and becomes a star. If this drive himself been drawn additional mass, which can be diverted into the interior, indent it becomes unstable and breaks up into several fragments. So, instead, that it would be only one star in the middle, resulting grouping more stars. The distance between them can be short, about as short as the distance between the Earth and the Sun. According indent to Dr. Clark, such findings create a whole new look at the formation of the first stars in the universe. In the final stage of the stars can be much partial stellar systems indent tend to produce intense bursts of X-ray and gamma-rays. Therefore, clarification of that phenomenon are also planned for future planetary missions, to be exclusively dealt with the explosions of stars in the early universe. Completely understandable is the fact that the first stars may be catapulted from their basic formation due to collision with the 'neighbors' before they are able to collect sufficient mass. Unlike the short-lived but high-mass stars may be a low mass star survive for millions of years.
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Wisen 19.02.2011 19:47:37
Damijan Merlak together with Nejc KODRIČ Bitcoin Exchange Bitstamp founded in mid-2011, when it was a bit of bad coin worth five dollars. Today it is worth around $ 800, and their exchange is among the biggest in the world - its monthly turnover indent is around 250 million indent dollars, which is five times the traffic on the Ljubljana Stock Exchange.
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