Horsehead Nebula

maganin nebula

A cikin sararin sama akwai miliyoyin abubuwa da suka haɗa sararin samaniya, kuma masana ilmin taurari ne ke da alhakin lura da kowane nau'i daga latitudes daban-daban don tantance sunansa, tsarinsa, siffarsa, tasirinsa, da sanadinsa. Ɗaya daga cikin waɗannan abubuwa shine doki nebula. Nebula ce mai siffa ta musamman.

Saboda haka, za mu keɓe wannan labarin don gaya muku duk abin da kuke buƙatar sani game da Dokin Nebula, halaye, asalinsa da ƙari.

Ma'ana

Horsehead Nebula

Horsehead Nebula asali an gano shi da Barnard 33, wanda ke cikin ƙungiyar taurarin Orion, kimanin shekarun haske 1.600 daga Duniya, wani duhu ne mai tsananin sanyi, gajimare mai sanyi, tsawon shekaru 3,5, ya fara bayyana a cikin adabi da adabin Amurka na 1919 na masanin falaki Edward Emerson.

Wannan nebula wani bangare ne na Orion Molecular Cloud Complex, kuma ko da yake launin duhu ne, ana iya ganinsa da bambanci saboda wurin da yake a gaban wani nebula wanda radiation da kuma fitar da sakamakonsa suna warwatse tare da launin ja.

Siffar kan dokinsa yayi kama da samuwar gajimare a yanayin duniya, kuma yana iya canza kamanninsa na dubban shekaru haske.

Gano Dokin Nebula

doki nebula

An yi wannan binciken ne a ƙarshen karni na 1888, daidai a cikin XNUMX. lokacin da masanin taurari dan Scotland Williamina Stevens na Cibiyar Kula da Kolejin Hardvar ya yi amfani da farantin hoto mai kunshe da farantin gilashin da aka lullube shi da wani siriri mai daukar hoto, da sauri ya tsinci kansa a kasuwar fim. Tare da ƙarancin rauni da sauran fa'idodi. A lokacin, fasahar da ake buƙata don na'urar hangen nesa ba ta wanzu ba.

Bisa tarihin rayuwarta, marubuciyar binciken ta fara aiki a matsayin mataimaki a cibiyar Hardwar Observatory, tana yin lissafin lissafin lissafi, aikin ofis, da dai sauransu, tana gudanar da ayyukan mataimakin darakta na cibiyar.

Ko da ba tare da wani digiri a ilmin taurari ba. ita ce marubuciyar binciken sararin samaniya da yawa waɗanda suka haifar da ƙirƙirar kasida ta taurari. Shi ne ke da alhakin gyara tsarin sanya haruffa ga taurari dangane da abun ciki na hydrogen a cikin bakan su. Sa'an nan, yana da shekaru 30, ya dukufa da kansa don nazarin yanayin taurari.

A lokacin, Stevens ya gano 59 gaseous nebulae, da kuma m da kuma nova taurari, har zuwa Horsehead Nebula, ya ba ta lakabin mai kula da Hardvar Archive of Astrohotography. Aikinta ya yi fice, tun da tana ɗaya daga cikin mata na farko da suka fara aiki yadda ya kamata a cikin al'ummar falaki, wanda ta sami Medal Guadalupe Almendaro daga Ƙungiyar Astronomical Society ta Mexico.

bel na Orion

A cikin irin wannan labarin ya zama dole a bayyana wasu kalmomin da ake yawan amfani da su a cikin ilmin taurari, waɗanda suka cancanci wani sashe na daban don ƙarin fahimtar mai karatu. A wannan lokaci mun shigar da batun Belt of Orion, ba wani abu ba ne face rukunin taurari waɗanda ke bayyana an tsara su a cikin tsarin sifofi daga Duniya.

Orions taurari ne guda uku masu haske da aka sani a al'adar da aka sani da Maryamu Uku ko kuma Masu hikima Uku, amma sunayensu na kimiyya shine Alnitak, Alnilam da Mintaka, kuma ana ganin su daga Nuwamba zuwa karshen watan Mayu.

Siffofin Dokin Nebula

hoto na doki nebula

Shahararren Horsehead Nebula yana wakiltar duhu, gajimare mara haske na ƙura da iskar gas, bayaninsa ya rufe da haske daga IC 434 a bayansa. IC 434, bi da bi, yana zana dukkan ikonsa daga tauraron Sigma Oronis mai haske. Tasowa daga mamanta, Horsehead Nebula wani tsari ne mai kuzari da gaske kuma dakin gwaje-gwaje mai ban sha'awa na hadadden kimiyyar lissafi.

Yayin da yake faɗaɗa cikin yanki na tsaka-tsakin tsaka-tsakin tsaka-tsakin da ke kewaye da nebula, yana zuwa ƙarƙashin matsin lamba wanda ke haifar da samuwar ƙananan taurari. A kan goshin doki, ana iya ganin tauraruwar yaro da ke rufe da walƙiya. Ƙananan abubuwa masu launin ja da ke haskakawa ta cikin ƙura suna wakiltar abubuwan Herbig-Haro, waɗanda ke haskakawa daga kayan da ba a gani ba. Yankin da ke kewaye kuma ya ƙunshi abubuwa daban-daban, kowanne da irin nasa. Nebula mai haske a cikin ƙananan dama shine NGC 2024 (Flame Nebula).

Binciken infrared ya nuna yawan adadin taurarin da aka haifa a ɓoye a bayan ƙura da gas na NGC 2024. Ƙaƙƙarfan shuɗi mai haske zuwa ƙananan dama na Doki Nebula shine NGC 2023. Ƙura mai tsaka-tsaki yana bayyana kasancewarsa ta hanyar toshe hasken daga taurari ko nebula a bayansu. Kurar ta ƙunshi galibin carbon, silicon, oxygen da wasu abubuwa masu nauyi. Ko da kwayoyin halitta an gano su.

Ɗaya daga cikin mafi kyawun haske mai haske a cikin sararin sama, NGC 2023 ya ta'allaka ne zuwa gabas na Doki Nebula kuma ya samar da kumfa mai kyau a gefen gajimaren kwayoyin L1630. Tauraro mai nau'in B HD37903, tare da zafin jiki na 22.000 digiri, yana da alhakin haɓakar mafi yawan gas da ƙura a cikin NGC 2023, wanda ke gaban girgijen kwayoyin halitta. Wani fasali na musamman na NGC 2023 shine kasancewar kumfa mai tsaka tsaki ta hydrogen (H2). kusa da HD37903 tare da radius na kusan shekarun haske 0,65.

Nau'in nebulae a cikin bel na Orion

Akwai nebulae guda hudu a cikin bel na Orion; na farko shine Doki, sannan Flame Nebula, IC-434⁵ da Messier 78⁷.

harshen nebula

Asalin da aka sani da NGC2024, wani nebula ne wanda tauraruwar Alnitkm ke ci gaba da daukar hoton atom din hydrogen, wanda ke samar da haske mai ja da zaran electrons ke daure ga kwayoyin halitta, kamar yadda aka nuna a kasa.

A cewar ƙungiyar masana kimiyya a halin yanzu da ke nazarin nebula, akwai abubuwa a kusa da shi waɗanda za a iya la'akari da taurarin gas, duk da haka, Ana ci gaba da lura da waɗannan ta hanyar amfani da na'urar hangen nesa ta Hubble da sauran na'urorin auna daidai.

IC-434

Yana samun ionizing radiation daga wani tauraro mai suna 48 Oronis, wanda ya sa ya bayyana elongated kuma, saboda kaddarorinsa, ya ba mu damar bambanta abubuwan lura na Doki Nebula. Belt Nebula a Orion muhimmin memba ne mai haske na babbar kungiyar Orion.

Masanan kimiyya sun bayyana cewa za a iya auna zafin wannan yanki ta amfani da fasaha da dama tare da ma'aunin rediyo wanda ke ba da gudummawa ga ƙimar da yake amfani da shi a yau a cikin bayanan bayanan Orion Belt Nebula.

Messi 78

Har ila yau, an san shi da MGC 2068, an kuma san shi a matsayin nebula mai nunawa saboda launin shudi wanda ke haskakawa a cikin haskensa, kuma Pier Merchain ne ya gano shi a cikin 1780.

Mafi kyawun nebula mai haske da sauƙin iya gani tare da kowane na'urar hangen nesa, gida ne ga taurari biyu waɗanda ke da alhakin samar da girgije mai ƙura a sama da Messier 78, yana mai da shi a bayyane. An ba wa taurarin suna HD 38563A da HD 38563B, bi da bi. A cewar masana kimiyya da suka yi nazarin wadannan nebulae, akwai adadi mai yawa na taurari waɗanda ba a zaune tare da wasu albarkatun da aka rarraba a kusa da wannan abu, wanda ke cikin iyakar hagu na bel na Orion a kudu.

Ina fatan cewa tare da wannan bayanin zaku iya ƙarin koyo game da Horsehead Nebula da halayensa.


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