The karami star. Iri na taurari.

A cikin sararin samaniya na iyaka na taurari. Mafi yawansu ba mu ko da gani, kuma da wanda ke samuwa ga ido na iya zama sosai mai haske ko duhu dangane da girman da sauran kaddarorin. Abin da muka sani game da su? Wanne star shi ne mafi karami? Mene ne mafi zafi?

Stars da su iri

Our samaniya yana cike da ban sha'awa abubuwa: taurari, da taurari, nebulae, asteroids, comets. Stars ne m bukukuwa na gas. Daidaita shi taimaka wajen ci gaba da ikon da kansa nauyi. Kamar dukan wani sarari suKe jikinsu, su motsa a sarari ba, amma saboda da manyan nesa yana da wuya a lura.

Tu taurari faruwa thermonuclear halayen, don haka abin da suka haskaka makamashi da kuma haske. Su haske dabam ƙwarai da aka auna cikin sharuddan taurari. A ilmin taurari, kowane darajar yayi dace da wani adadi, da karami shi ne, ƙananan haske taurari. The karami star sani a matsayin mai Dwarf a size, akwai kuma al'ada taurari, gwarzayen da supergiants.

Bayan haske, suna da zazzabi da kuma ta hanyar abin da taurãri emit daban-daban a jere. A mafi zafi ne blue, sa'an nan (a cikin saukowa domin) bi blue, da fari, da rawaya, orange da kuma ja. Taurãri da ba su dace a cikin wani daga cikin wadannan sigogi, da ake kira peculiar.

A mafi zafi taurari

Lokacin da muna magana ne game da yawan zafin jiki na taurari, tun akwai surface halaye na su atmospheres. A ciki da zazzabi za a iya samu ne kawai da taimakon lissafin. Yadda zafi star za a iya hukunci da ta launi ko na aji, wanda mafi yawa ana denoted da haruffa Yã, B, A, F, G, K, M. Kowace daga cikinsu ne zuwa kashi goma sub-azuzuwan, wanda aka gano da lambobi daga 0 zuwa 9.

Class Ya nufin da mafi zafi. Su zazzabi jeri daga 50 zuwa dubu 100 digiri Celsius. Duk da haka, kwanan nan, masana kimiyya sun Kwafa da mafi zafi star nebula Butterflies wanda zafin jiki ya kai 200 dubu digiri.

Sauran zafi taurari ne blue supergiant, msl, Rigel Orion Zhirafa Alpha, Gamma ƙungiyar taurari filafili. Cold taurari ne Class M dwarfs coldest a sararin samaniya yana dauke hikima J085510.83-071442. The star ta zazzabi kai -48 digiri.

Dwarf taurari

Dwarf - sverhigantov kai tsaye bambanci, da karami star na girma. Su ne a cikin kananan size da kuma luminosity iya zama ko da karami fiye Duniya. Dwarfs asusu na 90% na taurari a cikin galaxy. Suna da yawa fiye da karami Sun, duk da haka, wuce da size da Jupiter. Tsirara ido su ne kusan ba zai yiwu a gani a cikin dare sama.

Karami ja dwarfs suna dauke. Bã su da wani suna fadin nauyi, kuma idan aka kwatanta da sauran taurari ne sanyi. Su na aji kaddamarda da haruffa M da kuma K. The zazzabi iya isa daga 1 500 zuwa 1800 digiri Celsius.

Star 61 a cikin ƙungiyar taurari Cygnus - da karami star daga waɗanda cewa za a iya gani ba tare da masu sana'a kimiyyan gani da hasken wuta. Emits a rage haske, kuma aka located a nesa na 11.5 haske-shekara. Dan kadan ya fi girma a cikin size ne orange Dwarf star Epsilon Eridani. Located a nesa na goma haske shekaru.

A kusa da mu ne a cikin Proxima Centauri ƙungiyar taurari, mutane na iya samun to shi ne kawai bayan 18 shekara dubu. Wannan shi ne ja Dwarf, wanda shi ne 1.5 sau ya fi girma fiye Jupiter. Daga rãnã shi ne located kawai 4.2 haske shekaru. Yana kewaye da haske taurari da kuma sauran kananan, amma sun ba a yi karatu saboda da low haske.

Wanne daga cikin taurarin shi ne mafi karami?

Mun sani ba duk taurari. Kawai a cikin Milky Way, akwai daruruwan dubban miliyoyin su. Hakika, masana kimiyya sun yi karatu ne kawai karamin sashi na su. Da aka sani zuwa ranar shi ne mafi karami star a duniya da aka sani a matsayin OGLE-TR-122b.

A nasa ne a binary star tsarin da ake dangantawa da gravitational filin daga wani star. Juna juyawa a kusa da juna da taro na bakwai da rabi kwanaki. A tsarin bude a shekarar 2005 a lokacin da na gani gravitational ruwan tabarau gwajin, da Turanci raguwa wanda ta mai suna.

The karami star ne mai ja Dwarf star a cikin ƙungiyar taurari na Carina a kudancin yammancin duniya sama. Its radius ne 0,12 daga hasken rana, da kuma taro na 0,09. By nauyi, shi ne mafifici, ya Jupiter, sau ɗari, da kuma da yawa ya fi girma fiye da 50 Sun sau.

A samu wannan star tsarin ya tabbatar da ka'idar kimiyya da cewa star iya dan kadan ƙetare talakawan size na duniya, idan ta taro ne a kalla sau goma karami fiye da hasken rana. Mai kome a cikin sararin samaniya, akwai kuma karami taurari, amma zamani da fasaha ba da damar su gani.