Tafukt (itri)
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Isefka n wannay | |
---|---|
Isig n umaccaq ɣef tegnit |
1.496× 10⁸ km 8 n tesdatin, 19 n tsinin s ufawatay |
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 26000 ifawatayen |
Tanzagt tamazallawt | (2.25–2.50)×108 iseggasen 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 ɣer wammar n tudfirt amikṛuwan) |
Tiskanin tisengamin | |
Isig n ukdu | 1.392684 km[3] |
Aqqaṛ asbegsan | 6.96342 km[3] 109 × tagnit[4] |
Tamezza tasbegsant | 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 tjumma deg 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): 5778 C[1] Kruna: ~5 × 10⁶ C |
Asfijjej (Ltafukt) | 3.846 × 10²⁶ wat[1] ~3.75 × 10²⁸ Lunen ~98 Lumen/wat |
isig n waffa (I) | wat/m−²·Stirdyan -¹ |
Addar | 4.57 n imelyaṛen n iseggasen[7] |
Tisekna timazzayin | |
Annuz agellusan | 7.25°[1] (seg Ecliptic) 67.23° (to the uswir 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 |
Tasnallant Tanzagt 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 n Tugnakurt | |
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% |
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 kmt.[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
[ẓreg | ẓreg aɣbalu]![](https://upload.wikimedia.org/wikipedia/commons/thumb/3/3c/Sun_-_August_1%2C_2010.jpg/220px-Sun_-_August_1%2C_2010.jpg)
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
[ẓreg | ẓreg aɣbalu]![](https://upload.wikimedia.org/wikipedia/commons/thumb/b/be/Gas_giants_and_the_Sun_%281_px_%3D_1000_km%29.jpg/220px-Gas_giants_and_the_Sun_%281_px_%3D_1000_km%29.jpg)
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/m2 deg tegnatin tigamanin neɣ mi ara ad tili tfukt deg tdeɣra n umeddu.[27]
![](https://upload.wikimedia.org/wikipedia/commons/thumb/9/94/Actual_Sunset.jpg/220px-Actual_Sunset.jpg)
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
[ẓreg | ẓreg aɣbalu]![](https://upload.wikimedia.org/wikipedia/commons/thumb/8/8b/BLUE_STEREO_3D_Time_for_Space_Wiggle.gif/220px-BLUE_STEREO_3D_Time_for_Space_Wiggle.gif)
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]
![](https://upload.wikimedia.org/wikipedia/commons/thumb/e/e8/Mira_1997.jpg/220px-Mira_1997.jpg)
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]:
- Tagrawt tasemdant n iferdisen n wuzzal ittwa-ion-in:
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]
- Assaɣ ger n tfukt d yimtiwgen deg wayen yezzin ɣef ucellex n tkura:
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
[ẓreg | ẓreg aɣbalu]Iger adekran
[ẓreg | ẓreg aɣbalu]Timezziyin tinafukin
[ẓreg | ẓreg aɣbalu]Allus n tudert n tfukt
[ẓreg | ẓreg aɣbalu]Asileɣ
[ẓreg | ẓreg aɣbalu]![](https://upload.wikimedia.org/wikipedia/commons/thumb/6/6c/Solar_evolution_%28English%29.svg/220px-Solar_evolution_%28English%29.svg.png)
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
[ẓreg | ẓreg aɣbalu]Imniren
[ẓreg | ẓreg aɣbalu]- ↑ 1,00 1,01 1,02 1,03 1,04 1,05 1,06 1,07 1,08 1,09 1,10 1,11 et 1,12 Williams, D. R. (2004). "Sun Fact Sheet". Nasa. Retrieved 2010-09-27.
- ↑ "Eclipse 99: Frequently Asked Questions". Nasa. Retrieved 2010-10-24.
- ↑ 3,0 et 3,1 Emilio, Marcelo; Kuhn, Jeff R.; Bush, Rock I.; Scholl, Isabelle F. (March 5, 2012), "Measuring the Solar Radius from Space during the 2003 and 2006 Mercury Transits", arXiv, retrieved March 28, 2012
- ↑ 4,00 4,01 4,02 4,03 4,04 4,05 4,06 4,07 4,08 4,09 et 4,10 "Solar System Exploration: Planets: Sun: Facts & Figures". Nasa. Archived from the original on 2008-01-02.
- ↑ Ko, M. (1999). Elert, G. (ed.). "Density of the Sun". The Physics Factbook.
- ↑ "Principles of Spectroscopy". Tasddawit n Michigan, Astronomy Department. 30 August 2007.
- ↑ Bonanno, A.; Schlattl, H.; Paternò, L. (2008). "The age of the Sun and the relativistic corrections in the EOS". tasɣunt n tesnallunt d tsengama tasnallant. 390 (3): 1115–1118. arXiv:astro-ph/0204331. Bibcode:2002A&A...390.1115B. doi:10.1051/0004-6361:20020749.CS1 maint: ref=harv (link)
- ↑ Empty citation (help)
- ↑ Brown, M.E.; Van Dam, M.A.; Bouchez, A.H.; Le Mignant, D.; Campbell, R.D.; Chin, J.C.Y.; Conrad, A.; Hartman, S.K.; Johansson, E.M.; Lafon, R.E.; Rabinowitz, D.L. Rabinowitz; Stomski, P.J., Jr.; Summers, D.M.; Trujillo, C.A.; Wizinowich, P.L. (2006). "Satellites of the Largest Kuiper Belt Objects" (PDF). The Astrophysical Journal. 639 (1): L43–L46. arXiv:astro-ph/0510029. Bibcode:2006ApJ...639L..43B. doi:10.1086/501524. Retrieved 19 October 2011.
- ↑ 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.
- ↑ Grocholski, Aaron J.؛ Aloisi, Alessandra؛ van der Marel, Roeland P.؛ Mack, Jennifer؛ d wid niden. (October 20, 2008). "A New Hubble Space Telescope Distance to NGC 1569: Starburst Properties and IC 342 Group Membership". Astrophysical Journal Letters. 686 (2): L79–L82. Bibcode:2008ApJ...686L..79G. arXiv:0808.0153Freely accessible. doi:10.1086/592949.
- ↑ Anglada-Escudé, Guillem; Amado, Pedro J.; Barnes, John; Berdiñas, Zaira M.; Butler, R. Paul; Coleman, Gavin A. L.; de la Cueva, Ignacio; Dreizler, Stefan; Endl, Michael; Giesers, Benjamin; Jeffers, Sandra V.; Jenkins, James S.; Jones, Hugh R. A.; Kiraga, Marcin; Kürster, Martin; López-González, Marίa J.; Marvin, Christopher J.; Morales, Nicolás; Morin, Julien; Nelson, Richard P.; Ortiz, José L.; Ofir, Aviv; Paardekooper, Sijme-Jan; Reiners, Ansgar; Rodríguez, Eloy; Rodrίguez-López, Cristina; Sarmiento, Luis F.; Strachan, John P.; Tsapras, Yiannis; Tuomi, Mikko; Zechmeister, Mathias (25 August 2016). "A terrestrial planet candidate in a temperate orbit around Proxima Centauri". Nature. 536 (7617): 437–440. arXiv:1609.03449. Bibcode:2016Natur.536..437A. doi:10.1038/nature19106. ISSN 0028-0836. PMID 27558064.
- ↑ Dvorak R,Pilat-Lohinger E,Bois E,Schwarz R,Funk B,Beichman C,Danchi W,Eiroa C,Fridlund M,Henning T,Herbst T,Kaltenegger L,Lammer H,Léger A,Liseau R,Lunine J,Paresce F,Penny A,Quirrenbach A,Röttgering H,Selsis F,Schneider J,Stam D,Tinetti G,White G. "Dynamical habitability of planetary systems" Institute for Astronomy, University of Vienna, Vienna, Austria. January 2010
- ↑ . Bibcode:1986SSRv...43..244.. doi:10.1007/BF00190626. Unknown parameter
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. Bibcode:1998A&A...333..231B. Unknown parameter
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(help)CS1 maint: ref=harv (link) - ↑ Fajans, J.; L. Frièdland (October 2001). "Autoresonant (nonstationary) excitation of pendulums, Plutinos, plasmas, and other nonlinear oscillators" (PDF). American Journal of Physics. 69 (10): 1096–1102. Bibcode:2001AmJPh..69.1096F. doi:10.1119/1.1389278. Archived from the original (PDF) on 7 June 2011. Retrieved 26 December 2006.
- ↑ Opher، M.؛ Alouani Bibi، F.؛ Toth، G.؛ Richardson، J. D.؛ Izmodenov، V. V.؛ Gombosi، T. I. (December 24–31, 2009). "A strong, highly-tilted interstellar magnetic field near the Solar System" (PDF). Nature. 462: 1036–1038. Bibcode:2009Natur.462.1036O. PMID 20033043. doi:10.1038/nature08567.
- ↑
. Bibcode:2004RMxAC..22...46A. Unknown parameter
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. arXiv:astro-ph/9312056. Bibcode:1993ApJ...419....1K. doi:10.1086/173453. Unknown parameter
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(help) - ↑ Empty citation (help)
- ↑ "Near-Earth Supernovas". NASA Science. NASA. January 6, 2003.
- ↑ Michael Zellik (2002). Astronomy: The Evolving Universe (9th ed.). Cambridge University Press. p. 240. ISBN 978-0-521-80090-7. OCLC 223304585.
- ↑ Phillips, 1995, pp. 78–79
- ↑ Empty citation (help)
- ↑ Bargagli1، R.؛ Catenil، D.؛ Nellil، L.؛ Olmastronil، S.؛ Zagarese، B. (August 1997)، "Environmental Impact of Trace Element Emissions from Geothermal Power Plants"، Environmental Contamination Toxicology، New York: Springer، 33 (2): 172–181، ISSN 0090-4341، doi:10.1007/s002449900239
- ↑ Empty citation (help)
- ↑ Empty citation (help)
- ↑ Lashkaryov, V. E. (1941) Investigation of a barrier layer by the thermoprobe method, Izv. Akad. Nauk SSSR, Ser. Fiz. 5, 442–446, English translation: Ukr. J. Phys. 53, 53–56 (2008).
- ↑ "isalan ɣef tegnignut deg tansa jstor.org". jstor.org.
- ↑ Roussel، E. G.؛ Cambon Bonavita، M.؛ Querellou، J.؛ Cragg، B. A.؛ Prieur، D.؛ Parkes، R. J.؛ Parkes، R. J. (2008). "Extending the Sub-Sea-Floor Biosphere". Science. 320 (5879): 1046. Bibcode:2008Sci...320.1046R. PMID 18497290. doi:10.1126/science.1154545.
- ↑ taferkit tussnant Alsaru yettwaggẓen 24 ctember 2015 deg tansa n Wayback Machine.
- ↑ Amaṭṭaf Analman, Forschung aktuell http://www.dradio.de/dlf/meldungen/forschak/2173035/ Astronomen haben die Entstehung eines riesigen Monster-Protosterns in der Milchstraße entdeckt] Alsaru yettwaggẓen 04 wamber 2013 deg tansa n Wayback Machine. Archived 2013-11-04 at the Wayback Machine
- ↑ Larson, R.B. (2003), The physics of star formation, Reports on Progress in Physics, vol. 66, issue 10, pp. 1651–1697
- ↑ Science: Youngest star | New Scientist Alsaru yettwaggẓen 06 yebrir 2015 deg tansa Wayback Machine.
- ↑ Sternentstehung auf uni-goettingen.de
- ↑ 36,0 36,1 et 36,2
. Bibcode:1978MNRAS.184..683B. Unknown parameter
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(help)CS1 maint: ref=harv (link) - ↑ Ross and Aller 1976, Withbroe 1976, Hauge and Engvold 1977, cited in Biemont 1978.
- ↑ Corliss and Bozman (1962 cited in Biemont 1978) and Warner (1967 cited in Biemont 1978)
- ↑ Smith (1976 cited in Biemont 1978)
- ↑ Signer and Suess 1963; Manuel 1967; Marti 1969; Kuroda and Manuel 1970; Srinivasan and Manuel 1971, all cited in Manuel and Hwaung 1983
- ↑ Kuroda and Manuel 1970 cited in Manuel and Hwaung 1983:7
- ↑ 42,0 et 42,1
. Bibcode:1983Metic..18..209M. Unknown parameter
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(help)CS1 maint: ref=harv (link) - ↑ Brandt، Pontus (February 27–March 2, 2007). "Imaging of the Heliospheric Boundary" (PDF). NASA Advisory Council Workshop on Science Associated with the Lunar Exploration Architecture: White Papers. Tempe, Arizona: Lunar and Planetary Institute. 25 mayu 2007.
- ↑ Hill et al., "First Stars. I. The extreme r-element rich, iron-poor halo giant CS 31082-001" Astronomy & Astrophysics, 387, (2002) 560-579. (Accessed 3/8/06)
- Tasnallunt
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