Cov ntaub ntawv dab tsi xav tau los npaj lub hnub qub ntawm HR daim duab?
Cov ntaub ntawv dab tsi xav tau los npaj lub hnub qub ntawm HR daim duab?

Video: Cov ntaub ntawv dab tsi xav tau los npaj lub hnub qub ntawm HR daim duab?

Video: Cov ntaub ntawv dab tsi xav tau los npaj lub hnub qub ntawm HR daim duab?
Video: Koj Hais Dab Tsi?/Suabci Kwm & Ab Meej Ham/Official MV 2023 2024, Kaum ib hlis
Anonim

Thaum koj paub lub luminosity thiab kub (lossis xim) ntawm lub hnub qub, koj tuaj yeem npaj lub hnub qub raws li qhov taw qhia ntawm H-R daim duab. Teeb lub luminosity ntawm y-axis nrog cov hnub qub ci dua mus rau saum.

Ntawm no, ua li cas koj npaj lub hnub qub ntawm daim duab HR?

Hauv ib Daim duab H-R lub luminosity los yog lub zog tso zis ntawm a hnub qub yog plotted rau ntawm ntsug axis. Qhov no tuaj yeem raug nthuav tawm raws li qhov piv ntawm cov lub hnub qub luminosity rau lub hnub; L*/Lhnub. Astronomers kuj siv keeb kwm lub tswv yim ntawm qhov loj me raws li kev ntsuas ntawm a lub hnub qub luminosity.

Tsis tas li ntawd, dab tsi yog qhov tseem ceeb ntawm lub hnub qub Cov cuab yeej tseem ceeb ntawm lub hnub qub txiav txim siab qhov twg nws nyob ntawm qhov sib lawv liag? A lub hnub qub loj yuav txiav txim siab qhov twg nws nyob ntawm lub ntsiab ntu . Qhov loj tshaj plaws hnub qub nyob rau sab laug kawg thaum qhov qis tshaj plaws hnub qub yog nyob rau sab xis kawg.

Ib yam li ntawd, koj tuaj yeem nug, ntawm qhov twg ntawm HR daim duab koj yuav npaj cov hnub qub no?

Cov duab kos , npe Hertzsprung-Russell los yog HR daim duab , zaj luminosity nyob rau hauv hnub ci units ntawm Y axis thiab stellar kub ntawm X axis, raws li qhia hauv qab no. Nco ntsoov tias cov nplai tsis yog linear. Kub hnub qub nyob sab laug tes sab ntawm daim duab , txias hnub qub sab tes xis sab.

Daim duab HR qhia dab tsi?

Cov Hertzsprung-Russell Daim duab yog ib lub cuab yeej graphical uas cov neeg astronomers siv los faib cov hnub qub raws li lawv cov luminosity, spectral hom, xim, kub thiab evolutionary theem. Cov hnub qub nyob rau theem ruaj khov ntawm hydrogen hlawv nyob rau ntawm Main Sequence raws li lawv qhov loj.

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