Rayuwa a kan kai, ko Mene ne Sun?

All mu yi amfani da su duba da kullum haske sarari suKe, bestowing mu dumi da kuma haske. Amma kowa ya san abin da Sun? Yadda ake da shi shirya da kuma abin da ya wakiltar?

Sun - mafi kusa star to Duniya, ya mamaye a tsakiyar wuri a cikin hasken rana tsarin. Yana da wata babbar ball zafi gas (kagaggun hydrogen). Girma na wannan star haka babban abin da zai iya sauƙi a iya kẽwaye miliyoyin duniyoyi kamar namu.

Sun ya taka muhimmiyar rawa a ci gaban rayuwa a wannan duniya tamu, kuma samar da wani yanayi da samuwar wasu gawawwakin 'tsarin. Yin Sun ya kasance kullum wani muhimmin aiki. Mutane sun kasance kullum sane da ta bada rai-ikon, amfani da shi ma ga lissafi lokaci. Interest a hasken rana da kuma ta yiwuwa ne na girma kowace rana. Dumama daga rana da taimakon haraji da aka girma a shahararsa. Shan la'akari da farashin gas, wannan free madadin shi ne ma fi enticing.

Mene ne Sun? Yana wanzu?

Yana haskakawa, kamar yadda muka samu daga kimiyya, da masana ga dama, miliyoyin shekaru da kuma samo asali da sauran duniyoyi da tsarin na babbar girgije turɓãya da gas. Siffar zobe girgije ne matsa da kuma dukufa kan juyawa, sa'an nan shi a juya a cikin wani Disc (a ƙarƙashin rinjayar centrifugal sojojin). Duk da girgije canja abu a cikin wannan cibiyar na Disc samar da wata ball. Saboda haka, mai yiwuwa, da rãnã da aka haife. A farko, ana sanyi, amma m matsawa sanya shi gaba da tsananin zafi.

Ka yi tunanin abin da Sun shi ne ainihin wuya sosai. A tsakiyar wannan m kai-luminous jiki zafin jiki kai 15000000 digiri. Haskakawa surface kira da photosphere. An granulated (grained) tsarin. Kowane irin wannan "hatsi" ya tashi zuwa surface na ja-zafi abu size of Jamus. A surface na rãnã iya sau da yawa ganin duhu yankuna (sunspots).

Thermonuclear halayen a kan rana wuya saki adadin makamashi da cewa an radiated cikin sarari a cikin nau'i na haske da zafin rana. A saman cewa rushes nan da m hasken rana da iska (a rafi na barbashi).

Ba tare da rãnã a can zai zama babu rayuwa a wannan duniya tamu. Amma tare da zafi da haske emits da sauran iri makamashi, kamar X-haskoki da hasken ultraviolet, wanda barazana ga dukan abubuwa masu rai. A lemar sararin samaniya Layer kare mu, ba m da wani babban ɓangare na m haskoki, amma har yanzu wasu daga cikinsu wuce, kamar yadda evidenced kunar rana a jiki a kan mu fata.

A mafi yawan iko bayyanuwar hasken rana aiki - a flash. A gaskiya, wannan fashewa ya sa ta jini abu a ƙarƙashin rinjayar da Magnetic filin. Ko da yake cutar ba ta riga an yi karatu a daki-daki, su bayyanar lalle yana da wani electromagnetic yanayi.

Ko preschoolers san abin da rãnã. Amma 'yan mutane ko da tunani game da manyan sikelin-matakai cewa faruwa a kan wannan ball na wuta kowane biyu. Rana ba za ta zama haka ko da yaushe. Its samar da man fetur - game da biliyan 10 shekaru .. Don gano nawa za dimi mu kuma mu haskaka, kana bukatar ka saka abin ɓangare na rayuwa da suka rayu. Lunar kankara da kuma meteorites ne ba biliyan 5. Years, nufin shekaru rãnã da guda.

A can baya mun yi zaton cewa zai kawai sannu a hankali Fade da kuma sanyi. Wanda muka gano cewa wannan tsari zai ba a kwantar da hankula da kuma m, "mutuwa" wani star jiran wani real azaba. Lokacin da kwaya ne gaba daya ƙone, da wuta zai fara su cinye rana ta m yadudduka. Sun juya a cikin wani m ja star wanda sha Venus da Mercury da heats duniya zuwa babban yanayin zafi. The ruwa evaporates, rai zai gushe. Sa'an nan kuma akwai so wani sabon makamashi Madogararsa a cikin matsanancin yadudduka na Sun - na helium. A harsashi fadi, da zuciyar shrinks zuwa jihar fari Dwarf.