![Puas muaj qhov dub qhov qub? Puas muaj qhov dub qhov qub?](https://i.tvmoviesgames.com/preview/questions/17928192-do-primordial-black-holes-exist-j.webp)
2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Primordial black qhov yog non-baryonic thiab yog li ntawd yog cov teeb meem tsaus ntuj uas tuaj yeem sib tw. Primordial black holes kuj yog cov neeg sib tw zoo rau kev ua cov noob ntawm cov qhov dub loj heev ntawm qhov nruab nrab ntawm cov galaxies loj, nrog rau cov qhov nruab nrab-qhov loj loj.
Koj puas tseem muaj qhov dub qhov qub?
Cov pov thawj tshiab uas muaj qhov dub qhov tseem ceeb muaj nyob yuav pab cov kws tshawb fawb astrophysicists yos hav zoov rau cov teeb meem tsaus ntuj kom ua kom lawv cov kev tshawb nrhiav. Txawm li cas los xij, rooj plaub rau qhov qub qhov dub tseem tsis tau tiav.
qhov chaw dub nyob qhov twg?
Nws nyob li ntawm 55 lab lub teeb xyoo ntawm peb (ib lub xyoo teeb sib raug rau qhov kev ncua deb ntawm 9.5 trillion kilometers) ntawm qhov chaw ntawm Messier 87 galaxy.
Lub qhov dub puas yog qhov teeb meem tsaus ntuj?
Qhov teeb meem tsaus ntuj, cov khoom tsis meej uas ua rau lub zog rub tawm tab sis emits tsis muaj lub teeb, tej zaum yuav muaj ntau qhov ntau ntawm qhov qub dub qhov tsim thaum pib ntawm lub ntiaj teb, raws li rau txoj kev kawm tshiab.
Qhov sib txawv ntawm lub qhov dub thiab lub qhov dub thaum ub yog dab tsi?
Qhov sib txawv ntawm lub qhov dub thawj zaug, thiab lub qhov dub ntawm lub hnub qub, yog thaum lub qhov dub raug tsim. Primordial black holes (yog tias lawv muaj) yog tsim los ntawm cov txheej txheem nyob rau hauv lub ntiaj teb thaum ntxov xws li thaum lub sij hawm ib theem hloov. Stellar keeb kwm dub qhov tsim los ntawm stellarpoob.
Pom zoo:
Puas muaj sequel rau cov qub txeeg qub teg los ntawm sara shepard?
![Puas muaj sequel rau cov qub txeeg qub teg los ntawm sara shepard? Puas muaj sequel rau cov qub txeeg qub teg los ntawm sara shepard?](https://i.tvmoviesgames.com/preview/questions/17851154-is-there-a-sequel-to-the-heiresses-by-sara-shepard-j.webp)
Tus Heiresses yog ib phau ntawv los ntawm Sara Shepard. Nws yog ib phau ntawv hluas sau los ntawm Sara tsis muaj qhov cuam tshuam los yog phau ntawv series. Sara Shepard yog leej twg? "Cov cim txhua yam los ntawm kuv tus kheej lub neej, txhua yam uas kuv tau dhau los,"
Thaum twg yog cov noog dub dub uas tau teev tseg tias muaj kev puas tsuaj?
![Thaum twg yog cov noog dub dub uas tau teev tseg tias muaj kev puas tsuaj? Thaum twg yog cov noog dub dub uas tau teev tseg tias muaj kev puas tsuaj?](https://i.tvmoviesgames.com/preview/questions/17866675-when-was-the-tricolored-blackbird-listed-as-endangered-j.webp)
Lub Tricolored Blackbird yog suav nrog 2014 Lub Xeev Ntawm Cov Noog Saib. Twb tau teev tseg tias Kev Tiv Thaiv Kab Mob Los ntawm IUCN-World Conservation Union, cov tsiaj yog tam sim no tus neeg sib tw rau npe nyob rau hauv US Endangered Species Act (ESA), nrog rau California lub xeev ESA.
Puas tau muaj se qub txeeg qub teg?
![Puas tau muaj se qub txeeg qub teg? Puas tau muaj se qub txeeg qub teg?](https://i.tvmoviesgames.com/none.webp)
Tsuas yog 1 tawm ntawm txhua 700 tus neeg tuag ua rau them se rau tsoomfwv hnub no. Feem ntau ntawm cov cuab yeej cuab tam - 99.9% - tsisthem se tseemfwv av. Thaum tus nqi se saum toj kawg nkaus yog 40%, tus nqi se nruab nrab them tsuas yog 17%.
Puas muaj cua daj cua dub rau lub hnub qub?
![Puas muaj cua daj cua dub rau lub hnub qub? Puas muaj cua daj cua dub rau lub hnub qub?](https://i.tvmoviesgames.com/preview/questions/17928626-are-there-rain-storms-on-mars-j.webp)
Tam sim no, Mars cov dej zoo li tau daig hauv nws lub kaus mom dej khov nab kuab thiab tej zaum hauv qab ntawm qhov chaw. Vim tias Mars 'siab atmospheric siab heev, txhua yam dej uas sim kom muaj nyob rau saum npoo yuav sai sai sai. huab cua zoo li nyob ib puag ncig roob peaks.
Puas yog cov ntawv qub qub muaj nqis dab tsi?
![Puas yog cov ntawv qub qub muaj nqis dab tsi? Puas yog cov ntawv qub qub muaj nqis dab tsi?](https://i.tvmoviesgames.com/preview/questions/17934369-are-old-phonographs-worth-anything-j.webp)
Tau kawg muaj ntau qhov kev zam rau saum toj no, tab sis feem ntau, txoj hauv kev yuav nrhiav tau $ 50 lossis $ 100 cov ntaub ntawv hauv Yawg sau ntawm xyoo 1940s loj bands thiab cov suab nrov nrov tsis muaj qhov tsis zoo. Qhov tus nqi nruab nrab ntawm feem ntau 78 rpm cov ntaub ntawv muab rau peb yog $ 1 lossis tsawg dua.