Itij

Tafukt neɣ Iṭij ( azamul-is : ) d yiwen n yitri id-yezgan di tlemnast n unagraw afuyan , temmug amzun d tawinest (tadewṛant), tegber seg plasma iẓeɣlen, yerna tesmunned (temcubbak) yakk d yiger adekran . [ 8 ] Akdu -ines ila (yesɛa) azal n 1,392,684 km, ayen yegdan 109 n tikkal n ukdu n tegnit , ma d takura-ines 2×1030 kg, ayen yegdan 330,000 n tikkal n tkura n tegnit neɣ ayen i d-issiliɣen 99.86% n tkura n unagraw anafuk s timmad-is. [ 9 ]

Tafukt d yiwet seg yitran n umazellaw n wasif n igenwan igebren seg wugar 200 n imelyaṛen n yitran [ 10 ] Dɣa amazellaw-a s iman-is yeṭṭafar tagrawt n imazellawen niḍen yettusemman s tagrawt tadigant , anda tajumma tanamdalt i teṭṭef tegrawt-a d tawinest azgen n ukdu-ines yettawaṭ ar 10 n imelyan n ifawatayen (iseggasen inafaten). [ 11 ] Ma deg wayen yezzin ɣef tekrura , ad naf ahidṛujin d win i d-issiliɣen kṛad n imkuẓen (¾) n isegra n tkura tanafukt. Ma d ayen i d-yegran, amur ameqqran deg-s d ahilium yakk d wazal n 1,69% n iferdisen iẓayanen am weksujin d usinuksid n ukaṛbun d neyon d wuzzal d iferdisen niḍen. [ 12 ] Tafukt teṭṭafar taggayt n igezlanen iwraɣen s unect n usesmel atraw isennden ɣef tissiwin tiggwanin . S udday, s unect n usesmel atraw, azmul G2 yemmal-d taẓɣelt n tiggi yettawṭen ɣer 5778° C, ma d azamul V d akken tafukt d itri n welkem agejdan [ 13 ] . Dɣa imesnallunen ttmeggizent d akken tafuwt d itri meẓẓiyen s wassaɣ, akken i ttɣilen d akken (tafukt) d tin yettfeǧǧijen ugar n 85% n yitran n wasif n igenwan igan deg tuget n tegnatin d igezlanen izeggaɣen . Azal amagdez n tfukt d win issawaṭen ɣer 4.83, dɣa d tafukt i d tafekka tagnnant yettfeǧǧijen yakk s waṭas deg tegnawt n tegnit s wazal amaskad issawṭen ɣer −26.74. [ 14 ] [ 15 ] Tamrest n tfukt tetteẓẓel s teɣlel deg tallunt, ayen i d-issiliɣen aṭu anafuk igan d tizelɣiwin tuzdimin yeẓẓlen seg yiri n uhiliusfir ɣer wazal n 100 tiggtin tisnullanin , ahilyusfur-a yessiliɣ-d tamuski tamanṭaṭ i meqqren yakk deg unagraw anafuk . [ 16 ] dɣa ammas agratraw yeččaray s waṭu anafuk.

Tafukt tettnwiwil (tettḥerrik) deg usigna agratraw adigan i d-izgan deg tama n tlilect tadigant ɣef yiri agensuy n yiɣil n umanar igan d yiwen seg yiɣallen atliwen n umazellaw n wasif n igenwan . [ 17 ]

Tafukt tezga-d deg wedras wis 4 deg wayen yezzin ɣef tkura n 50 n yitran yudsen ɣer tegnit (itran i d-izgan deg usutem n 17 n ifawatayen ɣef tegnit), anda itri yudsen yakk ɣer tegnit seld n tfukt iga d procima Centauri yaggugin (ibeɛden) s 4,2 n ifawatayen. [ 18 ] Timezzit tamazallawt n tfukt taggug (tebɛed) ɣef wammas amazallaw s kra n 24,000 ar 26.000 n yifawatayen yerna tsemmed (tettkemmil) yiwen n useggas amazallaw (akken i d-ittbin deg yimsidag n umazallaw ) azal n 225 ɣer 250 n imelyan n iseggasen. Amussu d unwiwel n tfukt s tazzla n 370 km/t ɣer tnila n tezdemt n weyrad neɣ ɣer tezdemt n tenhawt d win i d-yettilin mya amazallaw yettnwiwel s talɣa tamazgayt yakk d wammar n tudfirt amikṛuwan s tazzla n 550 km t . [ 19 ] Isig n westum gar n tfukt d tegnit d win igan azal n 149.6 n imelyan km. Imusnawen ttɣilen d akken astum-a yettbeddil s unwiwel n tegnit seg uceffalu ɣer ufafuk , Tafat d tin i d-ittfakkan tikli n usutem-a deg 8 n tesdatin d 9 n tsinin , Tafasa n uzenzar anafat n tfukt d tin i d-ittaken tudert s temhalt n tugnaddast , [ 20 ] , akken daɣen i d-tgellu s unezwu d tignewt , Tigelsin n tfukt d tid yettwassnen deg tegnit seg tallit n uzarmezruy anda aṭas n iɣerfan d wadlisen meggzen tafukt d yellu . [ 21 ]

Tiskanin timuta

Tafukt d itri yeṭṭafaren talmest n welkam agejdan G , Takura-ines tessiliɣ-d azal n 99.8632% seg tkura n wudus anafuk ma d talɣa-ines cki-tt d tuzza (meḥsub d tamduṛant) anda akdu deg tizgelt d win yemgaraden ɣef ukdu deg usebges s 10 km kan. Mya tafukt tga deg waddad n plasma anecta yennumk d akken-it tetezzi s urured deg usebges ugar n wayen i d-ttezzi deg tzeglin, dɣa tikeli ayi tettwassen s tuzzya tamgirdant , anecta igellu-d s tseddimt d unwiwel n tkura s usrag n wuẓeẓ meqqren deg teẓɣelt seg weɣyay ɣer beṛṛa. Takura ayi tettaddam kra seg yimir amussay . [ 22 ]

Tallit tufrint n tuzzya n tfukt tettaṭṭaf 25,6 n wussan deg usebges-is d 33,5 n wussan deg tzeglin-is. Ma d tallit n tuzzya tamaskadt deg usebges teṭṭafaf 28 n wussa. [ 23 ] Asemdu n tdusi tuẓẓlammast n tuzzya ayi talwayant tga 18 n imelyan n tikkal ddaw n tdusi n teldayt tajummant deg usebges. Yerna tadusi n tndeffert n yimtiwgen d tis ur nli ara (ur nesɛi ar) asemdu meqqren, ɣef wanect-a ur ssemduyen ara ɣef tfukt. [ 24 ]

Tafat n tfukt

Tafat n tfukt d aɣbalu agejdan n tfasa deg tegnit ma d iɣbula niden gan d tinegwa tisinsinin deg wuln tegnit, dɣa tinegwa ayi tisinsinin gant d aɣbalu tarakaẓɣalt n tegnit i d-ittilin s tsedmirin tiɣisanin. Timezgit tanafukt d tasmekta n tfasa i d-ttak tfukt i wfimidi n tigget n tjumma yettwafsaren srid i tafat n tfukt. [ 25 ] , Timezgit tanafukt n tjumma ɣef wuggug n tigget tasnullant yegda uggug n tegnit ɣef tfukt (azal n 1368 wat/m) 2 [ 26 ] Tignut n tegnit d tin yettekkayen deg usifes n tafat n tfukt s wakka ad tili tfasa i d-ittawaṭen seg tfukt tudes ɣer 1000 wat/m 2 deg tegnatin tigamanin neɣ mi ara ad tili tfukt deg tdeɣra n umeddu . [ 27 ]

Asemres n tfasa tanafukt d ayen izemren ad yili s waṭas n tarrayin timguranin d tgamanin. Amedya, tamhalt n tugnaddast d tin i d-igerrun tafasa seg tfult w ad tt-iterr d tafasa takrurant . Ihi tamhelt-a d yiwet seg temhalin i d-ittilin s tarrayt tagamant deg tegnit. Akken i yezmer ad yili usemres n tafat n tfukt i wfares n tfasa tazrurant s useẓɣel usrid neɣ s turrit n tafat ɣer tzarurt (trisiti) s usemres n tekwafukin . [ 28 ]

Isegran

Tafukt tegber seg uhidṛjin d uhilium . Deg tallit-a seg tudert-is sgensisen-d 74,9% d 23,8% seg tkura n tfukt deg tegnignut . [ 29 ] ma d iferdisen iẓayanen yakk ittwasemman imɣuzen sgensisen-d ddaw n 2% seg takura-ines yakk d weksujin s wazal n 1% d ukaṛbun 0,3% d Neon 0,2% d wuzzal 0,2%. [ 30 ]

Tasuddest takrurant taẓaṛant n tfukt d tin i d-immugen deg wammas agratraw , anda deg tazwara tella tegber seg 71.1% n uhidṛujin, 27.4% n uhilium d 1.5% seg yimɣuzen niden. Dɣa ahidṛujin d wamur ameqran seg uhilium yellan di tfukt ttwafarsen-d s temhalt n tseddɣisant deg 20 n tesdatin timenza n usedday , iferdisen iẓayanen llan ttwafarsen-d sɣur tisutiwin yezrin n yitran send n tlallit n tfukt sin akin nfufden deg wammas agratraw deg talliyin tineggura n tudert tatrawt yakk d inelfuyen (ineḍruyen) am supernuva . [ 31 ]

Seg wass mi i d- tennulfa tfukt , tamhelt n wezday tagejdant tegber ɣef urway n uhidṛujin yakked uhilium ɣef teɣzi n 4,6 n imelyaṛen n iseggasen yezrin, takur-a d tansa n uhilium s agensu n tfukt d tid yenbeddalen kra kra. S agensu n weɣyay, yuli ufimidi n uhilium seg 24% ɣer 60% s usrag n wefsay. Ma d kra niden n uhilium d iferdisen iẓayanen rekdrn deg tegnignut ɣer tnila n wul n tfukt s usrag n teldayt . Ma yella d ifimidiyen n yimɣuzen ur nbeddalen ara. [ 32 ]

Yettili-d usembiwel n teẓɣelt ɣer uzɣar (beṛṛa) n wul n tfukt s uzenzar deg wadeg n usseẓɣel, s wakka ur d-ittili ara usali n wefsay ɣer wezɣar s weẓɣal maca ad yeqqim deg weɣyay, Aɣyay agensaw n uhilium yebda yettmag-d kra kra yerna azday-is mači d ayen izemren ad yili acku ul n tfukt imir-a ur yeẓɣil ur yelli d aneẓẓaw s tesmekta ara ad yezdin ahilium. Ma deg tugnignut n tura yettili-d usedres deg uhilium (d yiferdisen iẓayanen) anda i d-issiliɣ 84% seg wayen yella deg tallit tamezwarut send ma ad tebdu temhelt n wezday aɣisan deg wul. [ 33 ] Deg yimal, ahilium ad ismed (ad ikemmel) asemnenni deg wul n tfukt, asemnenni ayi d tmerniwt-a ad teglu s tuffɣa n tfukt seg welkam agejdan i wakken ad tuɣal d acafcal azeggaɣ , anecta seld n 5 n imelyaṛen n iseggasen. [ 34 ]

Tasuddest takrurant n tugnignut deg tuget n tegnatin d tin yemmerwasen i wsileɣ n wudus anafuk amenzu. Akat n tyawant n iferdisen iẓayanen n tfasa tanafukt s usemres n tesledt taylalant i tugnignut n tfukt yakk d wakat n tyawant deg iseffuden ur yettwaseẓɣlen ara ula deg teẓɣelt n usefsi. Imusnawen ttɣilem d akken iseffuden ttagẓen s usileɣ n yitrazwar ɣef wanect-a ur tettwasemdu ara s usbeddi n iferdisen iẓayanen. Akken illant snat n tarrayin mtawan fell-asent deg wayen yezzin ɣef usileɣ anafuk [ 35 ] :

Deg useggas n 1970 , kkrent-d waṭas n tegmayin yessezdyen ɣef tegmi ɣef isezdiyen n tegrawin n wuzzal deg tfukt. [ 36 ] [ 37 ] ɣas akken tigmayin-a wwint-d igemmuden igerrzen maca aguccel n isezdiyen n kra n iferdisen n tegrawt n wuzzal ( Akubalt d umegnisyum ) qqimen mrayen (weɛṛen) s usrag n tmuski-nsen tanegt n tseddi, alammi d aseggas n 1978 . [ 36 ] Deg useggas n 1962 tennulfa-d tegmi tummidt tamezwarut i tezrawt n tdisiwin n umcalay ɣef yiferdisen n tegrawt tasemdant n wuzzal ittwa-ion-in, [ 38 ] ttwasidnen-t deg useggas n 1976 . [ 39 ] ma deg useggas n 1978 ttwasuddmen-d isezdiyen n yiferdisen n tegrawt n wuzzal ittwa-ion-in. [ 36 ]

Aṭas n imusnawen qellden ɣef tilin n wassaɣ deg userẓu akuran gar tsuddisin n yinyaten inafuken d yigazen inagrazen , [ 40 ] amedya amyaqqan ver n yinyaten imtiwganen d Neon d usinun deg tfukt d yimtiwgen. [ 41 ]

Aɣili d akken tafukt tla (tesɛa) yiwet n tsuddest i d-tla tugnignut tanafukt d win yersan alammi d aseggas n 1983 [ 42 ] Deg useggas n 1983 yettwadma d akken yella userẓu deg tfukt s usrag n wassaɣ aseẓran gar n tsuddisin n yinyaten n yimtiwgen d wezwu anafuk i cekkṭen igazen inagrazen. [ 42 ] , ma yella send n useggasa, yella yettuɣil d akken tafukt s timmad-is tla yiwet n tsuddest n tzugnut tanafukt . [ 43 ]

Tamuski d tɣessa

Iger adekran

Timezziyin tinafukin

Allus n tudert n tfukt

Asileɣ

Tafukt tettwasileɣ-d send n 4,57 n imelyaṛen n iseggasen s usrag n uɣelluy n wamur n yiwen n usignew axeclawan acafcal yellan yegber - deg tuget-is - seg uhidṛujin d uhilyum, yerna yezmer ad yili usignew-a ittwasileɣ-d seg yitran niḍen. Dɣa addar-a yettwasteg s usenned ɣer usmudem s usemres n uselkim i westag n takkayt tatrawt. Tizrawin ɣef yiseffuden imziken snarment-d idrizen n yiɣwawen irekden seg yinyaten meẓẓiyen deg waddar am wuzzal-60 i d-yettmagen deg yiderḍqen meẓẓiyen n yitran. Anecta yemmal-d d akken yessefk ad yeṭṭerḍeq yiwen n Supernova neɣ sin zdat n wadeg anda i d-tettwasileɣ tfukt. D amedwal d akken tamdeswelt n tneggest i d-yemmugen seg uṭerḍeq n Supernova d nettat i yeǧǧan tafukt ad tettwasileɣ s wadad n igazen yellan deg usignew axeclawan, s akin tegla-d s yiwen n uɣelluy s agensu n usignew deg kra n tama s ddaw n usemdu-ines. Amur yennebran seg usignew yeɣlin yebda itezzi s usrag n taggaẓt n yimir uɣmir , sin akin terna teẓɣelt-is tettali yakked d walluy n wadad-is , anecta yakk yegla-d s umsegrew n tuget n tkura deg wammas-is, deg wakud anda i yufeg wayen i d-yezgan s azɣar (ɣer beṛṛa) n wagra, ayen i d-issalɣen imtiwgen d tfekkiwin yemgaraden n unagraw anafuk. Addad d teẓɣelt deg weɣyay n usignew yennebran urwen-d takrura meqqren seg teẓɣelt, akken i d-yuffes wugar n igazen deg waẓi n wegra. Di taggara, anecta yegla-d s beddu n tsedmirin tiɣisanin i d-iglan s tlalit n tfukt. [ 44 ]

Anwiwel n tfukt d tmersiwt-ines deg umazellaw

Imniren