Yellow Star: misalai, bambanci a launi taurari

Duk wani star - rawaya, blue ko red - shi ne mai ja-zafi ball na gas. Modern rarrabuwa na taurari dogara ne a kan da dama sigogi. Wadannan sun hada da surface zazzabi, size, kuma haske. A launi daga cikin taurarin da bayyane a kan wata hujja dare, dogara, yafi a farko siga. A mafi zafi blue hasken wuta ko blue, da coldest - ja. Yellow taurari, misalai na wanda aka ambata a kasa, ya zauna a tsakiyar matsayi a kan sikelin da zazzabi. Daga cikin wadannan haske shiga da rana.

bambance-bambance

Jiki, mai tsanani zuwa daban-daban yanayin zafi, emit haske da unequal zango. Wannan siga ne niyya da kuma dogara a kan mutum ido launi. A guntu da zango, da zafi jiki, da kuma kusa da launi zuwa fari, da kuma shudi. Wannan gaskiya ne ga taurãri.

A ja haske ne coldest. Surface zazzabi kai kawai dubu uku digiri. Yellow star kamar mu rãnã, riga zafi. Its photosphere aka kona a 6000º. White fitilu ja-zafi har ma da kara - daga 10 zuwa 20 dubu digiri. Kuma a karshe, blue taurari ne mafi zafi. Surface zazzabi kai tsakanin 30 da dubu 100 digiri.

Janar halaye

Yellow taurari, da sunayen yawa daga waɗanda aka kyau da aka sani da mutane nĩsantarwa daga ilmin taurari, da masana kimiyya samu a cikin manyan yawa. Suka sãɓã wa jũna a cikin size, salla, luminosity, da kuma wasu halaye. Common domin irin wannan jikin - cewa surface zazzabi.

Yellow haske iya saya a cikin shakka daga juyin halitta. Duk da haka, mafi yawan irin wannan star aka located a kan babban jerin Hertzsprung-Russell zane. Wannan ake kira rawaya dwarfs, wanda sun hada da rana.

Babban star daga cikin tsarin

Dwarfs irin manyan malaman kira saboda mun gwada da kananan size. Sun diamita Averages 1.39 x 10 ⁹ m, da taro na - 1,99 x 10 ³⁰ kg. Dukansu sigogi ne muhimmanci mafi girma fiye da wadanda halayyar da Earth amma a waje sarari, ba da wani abu daga cikin talakawa. Akwai sauran rawaya taurari, kamar yadda exemplified kasa, shi ne wuce na rana a size.

A surface zafin jiki na mu na haske ya kai 6 tysyach Kelvin. Sun nufin da na aji G2V. A gaskiya, shi emits kusan tsarki da fari haske, duk da haka, saboda da yanayin da duniya ta yanayi da ake tunawa da short-kalaman ɓangare na bakan. A sakamakon haka ne rawaya tint.

Features rawaya Dwarf

Kananan size manyan malaman ne halin da mai ban sha'awa longevity. A talakawan darajar wannan siga - biliyan 10 shekaru. Rana na yanzu located kamar a tsakiyar rayuwar sake zagayowar, cewa shi ne, domin fita daga cikin babban jerin da kuma juya cikin wani ja giant, shi ya kasance game da biliyan 5 shekaru.

Star, rawaya, da kuma game da nau'in "Dwarf" yana da girma kama da rana. Energy tushen wannan jikin - kira na helium daga hydrogen. A na gaba juyin halitta mataki da suke motsa bayan da kwaya fara da ƙare hydrogen konewa helium.

Baya daga cikin Sun zuwa rawaya Dwarf tana nufin Alpha Centauri A, Alpha Corona Borealis, Bootes Mu, Tau Ceti da sauran manyan malaman.

yellow subgiants

Stars kamar Sun, bayan m da hydrogen man fetur, za a fara canza. Da zarar a cikin nucleus din a helium fitilu Shining kumbura cikin wani ja giant. Duk da haka, wannan mataki ba ya faruwa nan da nan. Da farko, za a fara kona m yadudduka. The star ya tafi babban-jerin, amma ba tukuna kumbura - shi ne a kan subgiant mataki. A taro na irin hasken wuta yawanci dabam daga 1 zuwa 5 da hasken rana talakawa.

Yellow subgiant mataki na iya daukar wuri da mafi m girman da star. Duk da haka, domin su, wannan mataki ne kasa pronounced. Mafi shahara subgiant yau - shi Procyon (Alpha Canis Ƙananan).

wani real rarity

Yellow taurari, waɗanda sunayensu aka bai sama, ne quite na kowa a cikin halittu iri daban-daban. In ba haka ba abubuwa tare hypergiants. Wadannan su ne real Refayawa, wanda ake gani mafi tsanani, mai haske kuma, ga shikuwa, a lokaci guda da ciwon guntu rayuwar jama'a. Mafi yawa daga cikin da aka sani hypergiants ne mai haske blue canji, amma daga cikinsu akwai fari, yellow taurari, har ma ja.

Daga cikin wadannan rare sarari gawarwakin hada da, misali, Rho Cassiopeia. Wannan rawaya hypergiants, luminosity ne 550 sau dubu outstripping rãnã. Daga wannan duniya tamu shi ne cire a 12,000 haske shekaru. A kan wata hujja dare za ka iya ganin da ido tsirara (fili haske - 4,52m).

supergiants

Hypergiants - musamman idan akwai supergiants. A karshen ma ya hada da rawaya taurari. Su, a cewar ilmin Taurari, shi ne tsaka-tsakin mataki na ci gaba da haske daga blue da jan supergiant. Duk da haka, a mataki na rawaya supergiant star iya tsira dogon isa. Yawanci, a wannan mataki da haske juyin halitta ba su mutu ba. A duk binciken da m sarari shi da aka rubuta kawai biyu supernovae generated rawaya supergiants.

Wadannan manyan malaman hada Canopus (Alpha Carinae) Rastaban (Beta Dragon), Beta Aquarius da kuma wasu sauran abubuwa.

Kamar yadda za a iya gani, kowane star, rawaya kamar rana, yana da takamaiman halaye. Duk da haka, dukan su sun yi wani abu a na kowa - da launi da cewa sakamakon daga da dumama da photosphere zuwa wasu yanayin zafi. Baya ga wadannan, to irin wannan manyan malaman hada Epsilon Shield da Beta Corvi (mai haske Refayawa), da Kudancin Bamuda Delta da kuma Beta Camelopardalis (supergiants), Capella da Vindemiatrix (Refayawa) da kuma da yawa wasu cosmic jikinsu. Ya kamata a lura da cewa launi ake magana a kai a cikin rarrabuwa da abu ba ko da yaushe ne yayi daidai da bayyane. Wannan na faruwa saboda gaskiya ya dafa haske ne gurbata saboda da gas da kuma kura, kuma bayan wucewa ta cikin sararin sama. Don sanin da launi na astrophysicists amfani da wani spectrograph inji: shi ya ba da yafi m bayanai fiye da mutum ido. Godiya ga shi, masana kimiyya iya bambanta blue, rawaya da kuma ja taurari, m daga gare mu a babban nisa.