Qhov twg yog qhov ci dua aldebaran lossis betelgeuse?

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Qhov twg yog qhov ci dua aldebaran lossis betelgeuse?
Qhov twg yog qhov ci dua aldebaran lossis betelgeuse?

Video: Qhov twg yog qhov ci dua aldebaran lossis betelgeuse?

Video: Qhov twg yog qhov ci dua aldebaran lossis betelgeuse?
Video: Nkauj tawm tshiab _QHov twg los tau _ by Xim vaj & Xeeb vwj & xis nus vaj _ (2020 - 2021 ) 2024, Hlis ntuj nqeg
Anonim

Raws li tsis ntev los no thaum Lub Kaum Hli, Betelgeuse glowed nyob ib ncig ntawm qhov loj 0.5, considerably ci dua nws nyob ze Aldebaran (0.9).

Puas Betelgeuse ci dua Aldebaran?

Lub hnub qub ci ntsa iab Betelgeuse tseem luminous dua Aldebaran, tab sis muaj qhov txias dua. Qhov no ua rau nws yog liab supergiant. Txawm tias ci dua li Betelgeuse yog cov hnub qub zoo li Deneb thiab Rigel, uas kub dua.

Lub hnub qub twg ci dua Antares lossis Betelgeuse?

Ob lub hnub qub yog cov hnub qub loj M2 supergiant, 500-600 lub teeb xyoo deb. Betelgeuse yog me ntsis brighter (V=0.45), tej zaum vim nws yog me ntsis luminous. Ob leeg yog qhov nyuaj heev - convecting, pulsating, rotating, thiab shedding loj ntawm ib tug prodigious tus nqi.

Puas yog Betelgeuse lub hnub qub ci ntsa iab saum ntuj?

Nquag, Betelgeuse yog ib ntawm kaum lub hnub qub ci tshaj plaws nyob rau hmo ntuj. Tau ntau xyoo lawm, cov kws tshawb fawb tau paub tias nws tau dhau los ntawm kev dimming ib puag ncig 425 hnub, thaum lub sijhawm nws poob ib ntus li ib feem peb ntawm nws qhov ci ntsa iab.

Lub hnub qub ci ntsa iab saum ntuj yog dab tsi?

kab hauv qab: Siriusyog lub hnub qub ci tshaj plaws nyob rau hmo ntuj raws li pom los ntawm Lub Ntiaj Teb thiab pom los ntawm ob hemispheres. Nws nyob tsuas yog 8.6 lub teeb-xyoos deb ntawm lub hnub qub Canis Major The Greater Dog.

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