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TT Lebedya: uglerodnaya zvezda
<< Vchera 18.12.1998 Zavtra >>
TT Lebedya: uglerodnaya zvezda
Avtory i prava: H. Olofson ( Stokgol'mskaya observatoriya ) i dr.
Poyasnenie: Zvezda TT Lebedya yavlyaetsya holodnym krasnym gigantom , iz kotorogo duet zvezdnyi veter. Na segodnyashnei kartinke pokazano izobrazhenie TT Lebedya, sdelannoe s pomosh'yu soglasovannoi cepochki millimetrovyh radioteleskopov na dline volny izlucheniya molekul ugarnogo gaza (CO), kotorye nahodyatsya v okruzhayushem zvezdu prostranstve. Izobrazhenie predstavleno v uslovnyh cvetah. Izluchenie v centre kartinki ispuskaet obolochka, vybroshennaya krasnym gigantom tol'ko neskol'ko soten let nazad, togda kak tonkoe kol'co radiusom 1/4 svetovogo goda predstavlyaet soboi gazovuyu obolochku, rasshiryayushuyusya uzhe 6 tysyach let. Uglerodnye zvezdy tipa TT Lebedya nazvany tak, potomu chto v nih soderzhitsya bol'shoe kolichestvo molekul, soderzhashih uglerod. Uglerod yavlyaetsya "zoloi", ostayusheisya ot yadernogo goreniya geliya v nedrah zvezd. Uglerodnye zvezdy teryayut znachitel'nuyu dolyu svoei massy v vide zvezdnogo vetra , obogashaya elementami uglerodnoi gruppy mezhzvezdnyi gaz - veshestvo, iz kotorogo budet sostoyat' budushee pokolenie zvezd . Zvezda TT Lebedya nahoditsya na rasstoyanii 1500 svetovyh let v sozvezdii Lebedya .

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Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.

English text
Po materialam Astronomy Picture Of the Day
Publikacii s klyuchevymi slovami: stellar wind - red giant - krasnyi gigant - zvezdnyi veter - uglerodnaya zvezda - uglerod
Publikacii so slovami: stellar wind - red giant - krasnyi gigant - zvezdnyi veter - uglerodnaya zvezda - uglerod
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