Da dadewa masana falsafa da marubuta suna tunanin cewa duniyarmu wani jirgi ne da ke tafiya a cikin tekun taurari wanda ke yawo a cikin wani babban teku mai duhu da duhu mai haske da haske, amma a cikin wani kallo, wasu masana falsafa sun gane cewa akwai. wani abin da ya kebanta da shi a sararin sama, wato taurari iri daya ne a wani lokaci, an haifar da hasashe da yawa game da sararin samaniya, amma ka sani?yadda ake kafa taurari?
Duniyarmu tana ci gaba da haɓakawa daga asalinta ta hanyar Babban kara. Dubban taurari da tsarin hasken rana suna samuwa ne ta hanyar ka'idar da tsarin mu na hasken rana ya kasance da shi, wasu sun mutu wasu kuma suna cinye kansu a cikin manyan ramukan baƙar fata.
Duk da cewa Duniyar kamar yadda muka sani tana dauke da biliyoyin taurarin taurari, amma da alama wannan adadi a zahiri ba a yi la'akari da girmansa ba kuma akwai wasu taurarin taurari da yawa fiye da yadda na iya gani ya zuwa yanzu, tun da yana da matukar wahala a iya gano mafi suma da ƙananan taurari, amma ma fiye da haka don ƙididdige su.
Galaxies na iya zama mai siffar zobe ko lebur
Galaxies wani katon tsarin taurari ne da gizagizai da iskar gas da taurari da kura da duhu, kashi 90% na al'amarin da ke tattare da tauraron dan adam, yana kewaya tsakiyarsa ne sakamakon karfin nauyi da yake bugawa a kan wadancan abubuwan da suke ba da siffa. Kalmar "galaxy" ta fito daga fahimtar Girkanci, wanda ya danganta haihuwar galaxy da digon madara da aka zubar a sararin samaniya ta hanyar allahiya Hera yayin da take ciyar da danta Hercules.
Dangane da binciken da aka buga a cikin 2016, an kiyasta cewa akwai aƙalla taurari biliyan 2. miliyan biyu a cikin sararin da ake gani, wato, sau goma fiye da yadda aka yi imani da shi a baya. Don haka, muna lura da girman waɗannan manyan halittu na sama da cewa suna iya girma da siffofi dabam-dabam.
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Wadanne abubuwa ne suka hada da taurari?
Galaxies sun ƙunshi jiki da yawa.
Taurari
Su ne mai haske sphere na rike plasma siffarsa albarkacin karfinsa na nauyi. Tauraro mafi kusa da Duniya shine Rana.
Taurari Waɗanda suke samar da taurari galibi ana haɗa su zuwa manyan ƙungiyoyi biyu, waɗanda aka fi sani da yawan jama'a.
Kungiyar ta kira yawan jama'a I Ya ƙunshi taurari na tsarin hasken rana, sababbi, waɗanda ake rarraba su a kusan madauwari a cikin faifan galactic, a cikin hannayensa.
Taurari na yawan jama'a II suna da yawa a cikin hydrogen da helium, tare da ƙarancin abubuwa masu nauyi, sun tsufa, kuma suna da kewayawa waɗanda ba su kwanta a cikin jirgin sama na galactic.
Taurari
Wata duniyar tana, bisa ga fassarar 'yan ilmin sararin samaniya ta amince da shi, jikin sama da ke kusa da tauraro ko ragowar shi, wanda yake isa taro ta yadda karfinsa ya rinjayi karfin taurin jiki, ta yadda zai dauki siffa a ma'aunin hydrostatic, ko kuma mu ce, a zahiri mai siffar zobe. Waɗannan jikkunan suna da rinjaye na orbital kuma ba sa fitar da nasu hasken.
Duniya misali ne na kusan cikakkiyar duniya, tun da ta sami damar samar da rayuwa, kuma muna kusantar ganin ƙarshen sararin samaniya.
ƙurar sararin samaniya
Wannan ita ce kurar sarari, haɗe da barbashi ƙasa da 100 µm. An ba da iyakar mitoci 100 sakamakon ma'anar ma'anar meteoroid
Duhu al'amari
Wannan wani nau'i ne na kwayoyin halitta wanda ya dace da kashi 27% na al'amarin-makamashi na sararin samaniya, kuma wannan ba makamashi mai duhu ba ne, kwayoyin halitta (na al'ada) ko neutrinos. Sunanta yana nufin cewa ba ya fitar da kowane nau'in radiation na lantarki.
Duk jikin da ke cikin tauraron taurari yana motsawa ne saboda shakuwar da ke tsakanin su saboda tasirin nauyi, wanda Newton ya ayyana a matsayin gravitation na duniya. Gabaɗaya, akwai kuma motsi mai faɗi da yawa wanda ke sa komai ya kewaya a tsakiya.
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Duniyar ta ƙunshi jikuna daban-daban, waɗanda suke haifuwa, haɓakawa da mutuwa.
Jikin da ke tattare da taurari ana haɗa su tare da ƙarfin nauyi
Galaxies suna da asali da juyin halitta, taurari na farko sun fara yin kusan shekaru biliyan bayan Big Bang, da kuma taurarin da suka samar da su, su ma suna da haihuwa, juyin halitta da mutuwa, wanda Saboda nisan da suke da shi. daga duniya, zai ɗauki ɗaruruwan shekaru kafin mu gane cewa ba su wanzu.
Waɗannan manyan tsarin tauraro suna da tsari ko siffofi huɗu daban-daban: elliptical, karkace, lenticular, da mara kyau. An siffanta wani ɗan ƙarin cikakken hasashe godiya ga jerin kallon tauraron dan adam na Hubble. Wannan makirci, wanda kawai ya dogara ne akan bayyanar da gani, ba ya la'akari da wasu al'amura, kamar ƙimar samuwar tauraro ko ayyukan cibiyar galactic, don haka za mu iya cewa wannan rabe-rabe zai fi girma fiye da wannan siffa mai zurfi da aka kwatanta. .
Ƙoƙarin farko na kwatanta siffar Milky Way ya yi ta William Herschel asalin a cikin 1785, a hankali kirga yawan taurari a yankuna daban-daban na sararin sama. Taurari namu, Milky Way, na cikin Ƙungiyar Ƙungiya ce ta kusan taurari arba'in da shida waɗanda Milky Way da Andromeda Galaxy suka mamaye.
Wannan tsarin tauraro yana kan gefen a super conglomerate wanda ya ƙunshi kusan taurari dubu 5. Wannan babban gungu, bi da bi, yana cikin wani ƙaƙƙarfan ƙungiyar taurarin da aka taru cikin ƙanƙanta da santsi.
Ko da yake taurari da taurari suna riƙe tare da ƙarfin nauyi, sun bambanta ta fuskoki da yawa na inganci da ƙididdiga. Misali mai sauƙi na wannan shine yayin da yawancin Taurari suna da siffar zobe, kamar yadda muke gani a sararin sama na dare, taurari suna wanzu ta nau'i-nau'i daban-daban: daga mai siffar zobe zuwa cikakke.
Samuwar da juyin halitta na taurari yana daya daga cikin mafi ban sha'awa wurare na bincike da kuma ya haifar da babban matakan zuba jari daga astrophysicists. Tabbas hasashe na galactic an riga an yarda da su sosai. Ƙididdigar ƙididdiga da kwamfutoci sun yi hasashen tsarin yanzu da rarrabawar da aka gani a cikin taurarin da aka sani, balle a cikin zurfin zurfi.