Puas hnub qub?

Cov txheej txheem:

Puas hnub qub?
Puas hnub qub?

Video: Puas hnub qub?

Video: Puas hnub qub?
Video: Zaum Xav Nrog Hnub Qub - ນັ່ງຄິດກັບດາວ ເວີຊັ່ນມົ້ງ - ກ້ອງ ໄຊຍະວົງ 2024, Kaum ib hlis
Anonim

Lub Hnub yog lub hnub qub nyob hauv nruab nrab ntawm Hnub Ci System. Nws yog ib lub pob uas yuav luag zoo tag nrho ntawm cov ntshav plasma, rhuab mus rau incandescence los ntawm nuclear fusion cov tshuaj tiv thaiv nyob rau hauv nws cov tub ntxhais, radiating lub zog tsuas yog pom lub teeb, ultraviolet lub teeb, thiab infrared tawg. Nws yog qhov tseem ceeb tshaj plaws ntawm lub zog rau lub neej hauv ntiaj teb.

Lub hnub puas yog qhov qub tshaj plaws?

Qee cov nplej ua ntej hnub ci tau dhau los ua qhov qub tshaj plaws puas tau pom. Raws li muaj pes tsawg lub cosmic rays tau cuam tshuam nrog cov nplej, feem ntau yuav tsum yog 4.6-4.9 billion xyoo. Kev sib piv, Lub Hnub yog 4.6 billion xyoo thiab lub ntiaj teb yog 4.5 billion.

Zoo hnub twg?

Our Sun is 4, 500, 000, 000 xyoo. Qhov ntawd yog ntau xoom. Qhov ntawd yog plaub thiab ib nrab billion.

hnub qub yog dab tsi?

Nyob hauv daim meteorite, cov kws tshawb fawb tau pom cov pob zeb me me uas laus dua lub hnub thiab lub hnub ci, uas tsim muaj txog 4.6 billion xyoo dhau los. Qee cov "presolar grains," cov kws tshawb fawb pom, muaj hnub nyoog ntawm tsib thiab xya txhiab xyoo, ua rau lawv cov ntaub ntawv qub tshaj plaws hauv ntiaj teb.

Dab tsi yog qhov qub tshaj plaws hauv lub qab ntuj khwb?

Quasars yog qee qhov qub tshaj plaws, nyob deb tshaj, cov khoom loj tshaj plaws thiab ci ntsa iab hauv ntiaj teb. Lawv tsim cov cores ntawm galaxies qhov twg qhov nrawm nrawm nrawm nrawm nrawm nrawm rau txhua qhov teeb meem uas tsis tuaj yeem khiav tawm ntawm nws qhov gravitational grasp.

Pom zoo: