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Tafukt (itri)

Si Wikipedia, tasanayt tilellit.
(Yettusmimeḍ segTafukt)
Tafukt☉
Isefka n wannay
Isig n umaccaq
ɣef tegnit
1.496× 10⁸ km
8 ntesdatin,19 ntsininsufawatay
Azal amaskad(V) −26.74[1]
Azal amagdez 4.83[1]
Asesmel aylalan G2V
Tamaɣuzt Z= 0.0122
Akdu uɣmir 31.6′ – 32.7′[2]
Tiskanin timezzayin
Isig n umaccaq ɣef
wammas n umazellaw
~2.5×1017 km
26000ifawatayen
Tanzagttamazallawt (2.25–2.50)×108iseggasen inafuken
Arured ~220 km/s(deg tmezzit ɣef wammas n umazellaw)
~ 20|km/s(Isig n tazzla s wassaɣ ɣer yitran yudsen)
~370|u=km/s (s wassaɣ ɣerwammar n tudfirt amikṛuwan)
Tiskanin tisengamin
Isig n ukdu 1.392684 km[3]
Aqqaṛasbegsan 6.96342 km[3]
109 × tagnit[4]
Tamezzatasbegsant 4.379 km[4]
109 × tagnit[4]
Tigni 9×10−⁶
Tajumma n tiggi 6.0877 km²[4]
11990 ×tagnit[4]
Ableɣ 1.412 × 10¹⁸ km³[4]
1300000 × tagnit
Takura 1.9891 × 10³⁰ kg[1]
333000 × tagnit[1]
isig n tneẓẓi 1.408 × 10³ km/m³[1][4][5]
Tineẓẓi ammas: 1.622 × 10⁵kg/m³[1]
Afutusfir adday: 2×10-⁴ kg/m³
Krumusfir adday: 5×10−⁶ kg/m³
izɣuɣ ( isig ): 1×10−¹² kg/m3[6]
Taldayt n tjummadeg uzirig n usebges 274.0 m/s²[1]
27.94 g
28 × tagnit[4]
Tazzla n teslullit
(seg tjumma)
617.7 km/s[4]
55 × tegnit[4]
Taẓɣelt Ammas ~1.57× 10⁷C[1]
Photosphere): 5778C[1]
Kruna:~5 × 10⁶ C
Asfijjej(Ltafukt) 3.846 × 10²⁶ wat[1]
~3.75 × 10²⁸Lunen
~98 Lumen/wat
isig nwaffa(I) wat/m−²·Stirdyan
Addar 4.57 n imelyaṛen n iseggasen[7]
Tisekna timazzayin
Annuz agellusan 7.25°[1]
(segEcliptic)
67.23°
(to theuswir n umazellaw)
Aluy amaɣad
seg tiglezt n ugafa
286.13°
19 h 4 min 30 s
Annuz
Seg tiglezt n ugafa
+63.87°
63° 52' s agafa
TasnallantTanzagt n tuzzya
(deg usebges)
25.05 wussan[1]
(deg tehri n 16° ) 25.38 wussan
25 d 9 h 7 min 12 s
(deg tzeglin) 34.4 wussan[1]
Tazzla n tuzzya
(deg usebges)
7.189× 10³km/t[4]
Isegra nTugnakurt
Hidṛujin 73.46%
Hilium 24.85%
Uksijin 0.77%
Kaṛbun 0.29%
Uzzal 0.16%
Neyon 0.12%
Aẓut 0.09%
Silisium 0.07%
Magnisyum 0.05%
Akebri 0.04%
Cette boîte:ẓeṛamyan.bed.

TafuktneɣIṭij(azamul-is:☉) d yiwen nyitriid-yezgan di tlemnast nunagraw afuyan,temmug amzun d tawinest (tadewṛant), tegber segplasmaiẓeɣlen, yerna tesmunned (temcubbak) yakk dyiger adekran.[8]
Akdu-ines ila (yesɛa) azal n 1,392,684 km, ayen yegdan 109 n tikkal n ukdu ntegnit,ma dtakura-ines2×1030 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 segyitrannumazellawnwasif n igenwanigebren seg wugar 200 n imelyaṛen n yitran[10] Dɣa amazellaw-a s iman-is yeṭṭafar tagrawt n imazellawen niḍen yettusemman stagrawt tadigant,anda tajumma tanamdalt i teṭṭef tegrawt-a d tawinest azgen n ukdu-ines yettawaṭ ar 10 n imelyan nifawatayen(iseggasen inafaten).[11]
Ma deg wayen yezzin ɣeftekrura,ad nafahidṛujind win i d-issiliɣen kṛad n imkuẓen (¾) n isegra n tkura tanafukt. Ma d ayen i d-yegran, amur ameqqran deg-s dahiliumyakk d wazal n 1,69% niferdiseniẓayanen amweksujindusinuksid n ukaṛbundneyondwuzzald iferdisen niḍen.[12]
Tafukt teṭṭafar taggayt nigezlanen iwraɣens unect nusesmel atrawisennden ɣef tissiwintiggwanin.S udday, s unect n usesmel atraw, azmul G2 yemmal-dtaẓɣelt n tiggiyettawṭen ɣer 5778° C, ma d azamul V d akken tafukt d itri nwelkem agejdan[13].Dɣaimesnallunenttmeggizent d akken tafuwt d itri meẓẓiyen s wassaɣ, akken i ttɣilen d akken (tafukt) d tin yettfeǧǧijen ugar n 85% n yitran nwasif n igenwanigan deg tuget n tegnatin digezlanen izeggaɣen.Azal amagdezn tfukt d win issawaṭen ɣer 4.83, dɣa d tafukt i d tafekka tagnnant yettfeǧǧijen yakk s waṭas deg tegnawt ntegnitswazal amaskadissawṭen ɣer −26.74.[14][15]
Tamrest n tfukttetteẓẓel s teɣlel deg tallunt, ayen i d-issiliɣenaṭu anafukigan d tizelɣiwin tuzdimin yeẓẓlen seg yiri nuhiliusfirɣer wazal n 100tiggtin tisnullanin,ahilyusfur-a yessiliɣ-d tamuski tamanṭaṭ i meqqren yakk degunagraw anafuk.[16]dɣaammas agratrawyeččaray s waṭu anafuk.

Tafukt tettnwiwil (tettḥerrik) degusigna agratraw adigani d-izgan deg tama ntlilect tadigantɣef yiri agensuy nyiɣil n umanarigan d yiwen seg yiɣallen atliwen numazellawnwasif n igenwan.[17]

Tafukt tezga-d deg wedras wis 4 deg wayen yezzin ɣef tkura n 50 n yitran yudsen ɣertegnit(itran i d-izgan deg usutem n 17 nifawatayenɣef tegnit), anda itri yudsen yakk ɣer tegnit seld n tfukt iga dprocima Centauriyaggugin (ibeɛden) s 4,2 n ifawatayen.[18]
Timezzittamazallawt n tfukt taggug (tebɛed) ɣefwammas amazallaws kra n 24,000 ar 26.000 nyifawatayenyerna tsemmed (tettkemmil)yiwen n useggas amazallaw(akken i d-ittbin degyimsidag n umazallaw) azal n 225 ɣer 250 n imelyan n iseggasen.
Amussu d unwiwel n tfukt s tazzla n 370 km/t ɣer tnila ntezdemt n weyradneɣ ɣertezdemt n tenhawtd win i d-yettilin myaamazallawyettnwiwel s talɣa tamazgayt yakk dwammar n tudfirt amikṛuwans tazzla n 550 kmt.[19]
Isig n westum gar n tfukt dtegnitd win igan azal n 149.6 n imelyan km. Imusnawen ttɣilen d akken astum-a yettbeddil s unwiwel n tegnit seguceffaluɣerufafuk,Tafat d tin i d-ittfakkan tikli n usutem-a deg 8 ntesdatind 9 ntsinin,Tafasan uzenzar anafat n tfukt d tin i d-ittaken tudert s temhalt ntugnaddast,[20],akken daɣen i d-tgellu sunezwudtignewt,Tigelsinn tfukt d tid yettwassnen deg tegnit seg tallit nuzarmezruyanda aṭas n iɣerfan d wadlisen meggzen tafukt dyellu.[21]

Tiskanin timuta

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Tugna s yiniten isaflawen tettwasseknew sunegjenjaṛtesskanay-d affaw seg telmest C (tama tamellalt deg wamur azelmaṭ afellay)

Tafukt d itri yeṭṭafaren talmest nwelkam agejdan G,Takura-inestessiliɣ-d azal n 99.8632% seg tkura nwudus anafukma 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 degwaddadnplasmaanecta yennumk d akken-it tetezzi s urured degusebgesugar n wayen i d-ttezzi deg tzeglin, dɣa tikeli ayi tettwassen stuzzya tamgirdant,anecta igellu-d stseddimtd unwiwel n tkura s usrag n wuẓeẓ meqqren degteẓɣeltseg weɣyay ɣer beṛṛa. Takura ayi tettaddam kra segyimir 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 ntdusi tuẓẓlammastn tuzzya ayi talwayant tga 18 n imelyan n tikkal ddaw ntdusi n teldayttajummant deg usebges. Yernatadusi n tndeffertn yimtiwgen d tis ur nli ara (ur nesɛi ar) asemdu meqqren, ɣef wanect-a ur ssemduyen ara ɣef tfukt.[24]

Tafat n tfukt

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Imtiwgen igazawen icafcalen n tfukt:Yebter,Awihad,Uṛanusyakk dNiftun(ibelɣen s yimsektayen imassaɣen)

Tafatn tfukt d aɣbalu agejdan ntfasadegtegnitma d iɣbula niden gan d tinegwa tisinsinin deg wuln tegnit, dɣa tinegwa ayi tisinsinin gant d aɣbalutarakaẓɣalt n tegniti d-ittilin s tsedmirin tiɣisanin.
Timezgit tanafuktd 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 ntigget tasnullantyegda uggug n tegnit ɣef tfukt (azal n 1368 wat/m)2[26] Tignut n tegnitd tin yettekkayen degusifesn tafat n tfukt s wakka ad tili tfasa i d-ittawaṭen seg tfukt tudes ɣer 1000 wat/m2deg tegnatin tigamanin neɣ mi ara ad tili tfukt deg tdeɣra numeddu.[27]

Aɣelluyn tfukt seg tegnit

Asemres ntfasa tanafuktd ayen izemren ad yili s waṭas n tarrayin timguranin d tgamanin. Amedya, tamhalt ntugnaddastd tin i d-igerrun tafasa seg tfult w ad tt-iterr dtafasa 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 ntfasa tazrurants useẓɣel usrid neɣ s turrit n tafat ɣer tzarurt (trisiti) s usemres ntekwafukin.[28]

Timsengelt n yiniten d uleggen n umussu n tfukt stamawt n STEREO.

Tafukt tegber seguhidṛjinduhilium.Deg tallit-a seg tudert-is sgensisen-d 74,9% d 23,8% segtkura n tfuktdegtegnignut.[29]ma d iferdisen iẓayanen yakk ittwasemmanimɣuzensgensisen-d ddaw n 2% seg takura-ines yakk dweksujins wazal n 1% dukaṛbun0,3% dNeon0,2% dwuzzal0,2%.[30]

Tasuddest takrurant taẓaṛant n tfukt d tin i d-immugen degwammas 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 ntseddɣisantdeg 20 ntesdatintimenza nusedday,iferdisen iẓayanen llan ttwafarsen-d sɣur tisutiwin yezrin nyitransend n tlallit n tfukt sin akin nfufden deg wammas agratraw deg talliyin tineggura n tudert tatrawt yakk d inelfuyen (ineḍruyen) amsupernuva.[31]

Mira(yiwen nucafcal azeggaɣ) degtezdemtnuɣaɣa.

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 nteldayt.Ma yella d ifimidiyen n yimɣuzen ur nbeddalen ara.[32]

Yettili-d usembiwel nteẓɣeltɣer 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 nwezday aɣisandeg 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 segwelkam agejdani wakken ad tuɣal dacafcal azeggaɣ,anecta seld n 5 n imelyaṛen n iseggasen.[34]

Tasuddest takrurant n tugnignut deg tuget n tegnatin d tin yemmerwasen i wsileɣ nwudus anafukamenzu.Akatn tyawant n iferdisen iẓayanen ntfasa tanafukts usemres ntesledt taylalanti tugnignut n tfukt yakk d wakat n tyawant degiseffudenur yettwaseẓɣlen ara ula degteẓɣeltn usefsi. Imusnawen ttɣilem d akken iseffuden ttagẓen s usileɣ nyitrazwarɣef 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]:

  • Tagrawt tasemdant n iferdisen n wuzzal ittwa-ion-in:

Deg useggas n1970,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 (Akubaltdumegnisyum) qqimen mrayen (weɛṛen) s usrag n tmuski-nsen tanegt n tseddi, alammi d aseggas n1978.[36] Deg useggas n1962tennulfa-d tegmi tummidt tamezwarut i tezrawt ntdisiwin n umcalayɣef yiferdisen n tegrawt tasemdant n wuzzal ittwa-ion-in,[38]ttwasidnen-t deg useggas n1976.[39]ma deg useggas n 1978 ttwasuddmen-d isezdiyen n yiferdisen n tegrawt n wuzzal ittwa-ion-in.[36]

  • Assaɣ ger n tfukt d yimtiwgen deg wayen yezzin ɣef ucellex n tkura:

Aṭas n imusnawen qellden ɣef tilin n wassaɣ deguserẓuakurangar tsuddisin nyinyateninafuken dyigazen inagrazen,[40]amedya amyaqqan ver n yinyaten imtiwganen dNeondusinundeg 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 ntzugnut tanafukt.[43]

Tamuski d tɣessa

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Iger adekran

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Timezziyin tinafukin

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Allus n tudert n tfukt

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Tamhazt n tfukt d usfijjej anafuk d waqqar-ines d teẓɣelt-is s wassaɣ ɣer tura.

Tafukt tettwasileɣ-d send n 4,57 n imelyaṛen n iseggasen s usrag n uɣelluy n wamur n yiwen nusignew axeclawanacafcal 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 nuselkimi westag n takkayt tatrawt. Tizrawin ɣefyiseffudenimziken 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 nSupernovaneɣ sin zdat n wadeg anda i d-tettwasileɣ tfukt. D amedwal d akkentamdeswelt n tneggesti 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 nyimir uɣmir,sin akin terna teẓɣelt-is tettali yakked d walluy nwadad-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

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  10. Gerber, R. A.; Lamb, S. A.; Balsara, D. S. (1994). "Ring Galaxy Evolution as a Function of" Intruder "Mass". Bulletin of the American Astronomical Society 26: 911. Bibcode:1994AAS...184.3204G.
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