Tauraron Neutron

tauraron neutron

La tauraron neutron kuma taurarin quark, kamar baƙar fata, abubuwa ne masu ban sha'awa. Astrophysics ya sami ci gaba sosai don ba mu bayanai masu mahimmanci game da su, wanda ke ƙarfafa mu mu ci gaba da mai da hankali, da fatan masana kimiyyar sararin samaniya za su iya fahimtar su sosai kuma su taimaka mana mu fahimci ainihin tsarin da ke haifar da horo.

A cikin wannan labarin za mu gaya muku duk abin da kuke buƙatar sani game da taurarin neutron, halaye da asalinsu.

Tauraron Neutron

tauraro da bakar ramuka

Duk da cewa wadannan taurari da ke dauke da neutrons da quarks su ne ainihin jaruman wannan labarin, domin mu fahimce su, mun fara sha'awar yin bitar tsarin rayuwar taurari. Duk da haka, kafin mu shiga cikin gari, yana da mahimmanci don yin bayanin niyya: ba za ku sami ma'auni a cikin wannan labarin ba. Ba sa buƙatar fahimtar daidai da fahimta yadda hanyoyin tafiyar da jiki masu ban sha'awa waɗanda ke bayanin samuwar su ke aiki.

Taurari sun ƙunshi gizagizai na kura da iskar gas da ke warwatse a sararin samaniya. Lokacin da girman daya daga cikin gizagizai ya yi yawa, nauyi zai yi aiki da shi, wanda zai inganta bayyanar wata hanyar da ba ta gajiyawa da ake kira gravitational contraction, wadda za ta tattake kayan da ke cikin gajimaren kuma a hankali su zama kananan taurari ko taurari. Wannan marhalar juyin halittar taurari ana kiranta babban jeri, inda taurari ke samun kuzari ta hanyar raguwar nauyi.

Tushen

neutron stars asalin

Game da Kashi 70% na adadin tauraro shine hydrogen, 24-26% shine helium, sauran kashi 4-6% shine hadewar sinadarai. nauyi fiye da helium. Rayuwar kowane tauraro yana da tasiri a farkon halittarsa, amma mafi mahimmanci, yawancinsa yana shafarsa sosai, wanda ba wani abu bane face adadin kwayoyin halitta da nauyi ke iya tarawa da takura a wani bangare na sarari.

Abin sha'awa shine, manyan taurari suna cinye mai da sauri fiye da ƙananan taurari, don haka kamar yadda za mu gani a cikin wannan labarin, suna da ɗan gajeren rayuwa kuma, mafi mahimmanci, sun fi tashin hankali da ban mamaki. Yayin da ƙwanƙwasa gravitational ya tattara kayan da ke cikin gajimare, a hankali zafinsa yana ƙaruwa.

Idan adadin kayan da aka tara ya isa sosai, matsa lamba da yanayin zafin jiki da ake buƙata don haɗakar da hydrogen nuclei ta hanyar halayen haɗin gwiwar nukiliya zai bayyana a cikin tsakiya. Lokacin da zafin jikin protostar ya kai digiri miliyan 10 ma'aunin celcius, ƙonewar hydrogen yana faruwa. Lokacin da waɗannan yanayi suka faru shine lokacin da aka kunna wutar lantarki. kuma tauraro ya fara wani lokaci mai suna babban jeri, wanda a lokacin ne yake samun kuzari daga hadewar hydrogen nuclei.

Core fusion

duniya da taurari

Samfurin haɗin hydrogen shine sabon ƙwayar helium, don haka abun da ke cikin tauraro ya fara canzawa. A cikin wannan tsari, ana fitar da adadin kuzari mai yawa kuma ana tilasta taurari su daidaita akai-akai don kula da ma'aunin hydrostatic. Masana ilimin taurari suna da kayan aikin lissafi waɗanda za su iya kwatanta wannan tsari daidai, amma muna sha'awar sanin cewa ma'aunin hydrostatic shine yawan da ke kiyaye tauraro.

Don cimma wannan, yana da mahimmanci cewa rundunonin biyu masu gaba da juna su kasance tare kuma su daidaita juna. Daya daga cikinsu shi ne nakuda mai karfi, wanda kamar yadda muka gani, yana danne kayan tauraron, yana matse shi ba tare da tausayi ba. Dayan kuma shi ne matsi na radiation da iskar gas, wanda hakan ya faru ne sakamakon hura wutar lantarki da ke kokarin fadada tauraro. Daidaitaccen gyare-gyaren da taurari ke fuskanta lokacin da suke cinye hydrogen da kuma samar da sababbin kwayoyin helium shine alhakin kiyaye shi a cikin ma'auni, don haka raguwar nauyi a gefe guda, radiation da iskar gas a kan ɗayan, ana kiyaye su.

A cikin wannan tsari, ana tilastawa jigon tauraro ya yi kwangila don ƙara yawan zafinsa da kuma hana rushewar nauyi. Idan ba zai iya daidaitawa ba saboda matsa lamba na radiation da iskar gas, tabbas zai iya rushewa. Idan ma'aunin tauraro ya yi girma sosai, jigon sa zai yi zafi ya danne ta yadda idan hydrogen ya ƙare. helium core za su fuse. Daga wannan lokacin, wani tsari mai suna triple alpha zai fara.

Halayen tauraron Neutron

Wannan al’amari ya bayyana tsarin da helium nuclei guda uku ke hadawa don samar da sinadarin carbon, kuma yana faruwa ne a yanayin zafi sama da yanayin hadewar hydrogen nuclei. A cikin wannan tsari, tauraro za ta ci gaba da cinye ma'adinan helium, samar da carbon nuclei da kuma daidaitawa don kula da daidaitattun daidaito, kuma godiya ga haɗin gwiwar raguwa da radiation da kuma iskar gas. Wannan shine lokacin da ba zai daina samar da carbon ba.

Lokacin da wannan sinadari ya ƙare a cikin tsakiya, sai ya gyara, damtse kuma ya sake ɗaga zafinsa don guje wa rushewar nauyi. Tun daga wannan lokacin, carbon core zai kunna ta hanyar tsarin haɗin nukiliya kuma ya fara samar da abubuwa masu nauyi.

Ko da yake a cikin tsakiyar tauraron, haɗin carbon yana faruwa a cikin saman saman saman nan da nan, kunnawar helium ya kasance ba canzawa. Kuma sama da wannan hydrogen. A cikin tsarin nucleosynthesis na taurari, sunan tsarin da halayen nukiliya ke faruwa a cikin waɗannan abubuwa. taurari suna ɗaukar tsari na matsayi kamar albasa. Abubuwan da suka fi nauyi suna a tsakiya, kuma daga nan ne muke samun abubuwa masu sauƙi ɗaya bayan ɗaya.

Taurari a zahiri suna da alhakin samar da sinadarai. A ciki ake hadawa oxygen, carbon, hydrogen, nitrogen, calcium da phosphorus wanda ya zama kashi 99% na yawan jikinmu. Sannan sinadaran da suka yi saura kashi 1%. Batun da ya sa mu ba mu kadai ba ne, amma duk abin da ya kewaye mu a zahiri ya fito ne daga taurari.

Ina fatan cewa tare da wannan bayanin zaku iya ƙarin koyo game da tauraron neutron da halayensa.


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