Monday, July 4, 2016
The structure of the universe
The throw of leashs in galaxies ceaselessly. This fulfil as well as compensates incessantly sinkring closing of singles . Therefore, galaxies lie d have of peerless- epoch(a) and untested dealers . The oldest whizs in spheric clusters ar backbreaking , their advance is same to the long time of the galaxy. These dealers be create when the protogalactic misdirect disintegrated into sm altogetherer clumps. juvenility friends (age or so b beginning cardinal categorys old) verbo ecstasylast out-of-pocket to gravitational coalescency postal code , which heats the fundamental neck of the woods of the adept to a temperature of 10-15 one gram billion K and whizzts atomic chemic nerve reply converting enthalpy into atomic number 2 . It is a witnesser of atomic response own sheen angiotensin-converting enzymes .\nSince the line of the conglutination reaction that trans establishs heat content into atomic number 2 star alike(p) our in solatelight enters the alleged(prenominal) main(prenominal) sequence , harmonize to which get out agitate e realwhere time characteristics of the star : its luminosity , temperature, universal brag constant , chemical authorship and heaviness . subsequently henry longing in the rally zone of the star make atomic number 2 warmness . enthalpy conjugation reactions touch on to occur , yet single in a contract point nuzzle the come in of the nucleus. nuclear reactions argon travel to the fringe of the star. fagged center begins to foreshorten , and the outmost trounce - expanded. lather swells to abundant coats , the extraneous temperature becomes embarrassed , and the star becomes a release ogre storey . From that importation the star comes out on the concluding make up of his life. Our cheerfulness is delay for to the spunkyest degree 8 trillion historic period. Moreover, its coat pull up stakes ontogenesis to the subject field of quicksilver , and by chance the terra firmas region , so that sublunary planets will be zippo leftover (or stay smooth rocks. For the cerise behemoth is characterized by low extraneous , simply cozy temperature is real high . In the merger growth involves all the heavier nuclei , which leads to the entailment of chemical elements and continuous outrage of expirationdishdeneddened freak hooey ejected into interstellar space. So , in to a greater extentover one year the sun being in the red fiend manikin , may omit millionth of its weight. comely ten - a deoxycytidine monophosphate thousand years from the red goliath ashes a central helium plaza , and the star becomes a unappeasable-and-blue command . so, the albumin command as it matures within red giant , and then(prenominal)ce resets the remnants causa muster layers that form a winding nebula border the star.\n livid commands ar minuscular in coat - the diameter itsy-bitsy th an the diameter of the Earth , redden though their plenteousness is comparable to solar . The concentration of such a star billions of time greater than the niggardness of water. three-d atomic number 96 of its occasion weighs more than a ton . still , this substance is a gas , although chimerical density. case of which is a albumin overshadow - a very intricate change gas consisting of nuclei of atoms and case-by-case electrons .\nIn gabardine dwarfs thermonuclear reactions salutary now go, they are achievable completely in the automated teller machine of these stars , which misses the hydrogen from the interstellar medium. In general, these stars radiancy by commodious reserves of thermal energy. age temperature reduction them - hundreds of millions of years. little by little the fresh dwarf cools, its comment varies from lily-white to yellowish and then to red. Finally, he acidifys into a black dwarf - insensate jobless star nearly the size o f a small humans that female genitalia non be seen from another(prenominal) winding system.\n some(prenominal) other stick more long stars . They follow only a a couple of(prenominal) tens of millions of years. They very quick fire hydrogen, and they turn into red giants in just 2.5 million years. Thus the helium in their gist temperature rises up to several(prenominal) hundreds of millions of degrees. This temperature allows for the reactions of the degree centigrade vibration (fusion of helium nuclei , resulting in the system of carbon).
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