2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
American astronomer Edwin Hubble (uas Hubble Space Telescope muaj npe tom qab) yog thawj zaug piav qhia txog qhov tshwm sim redshift thiab khi nws mus rau lub ntiaj teb nthuav dav. Nws cov kev soj ntsuam, tau tshaj tawm xyoo 1929, qhia tias ze li txhua lub galaxies uas nws pom tau txav mus deb, NASA tau hais.
Puas redshift txav deb los yog mus?
Tab sis ua li cas peb thiaj paub qhov no? Redshift yog ib qho piv txwv ntawm Doppler Effect. Raws li ib qho khoom txav deb ntawm peb, lub suab lossis lub teeb nthwv dej tawm los ntawm cov khoom raug nthuav tawm, uas ua rau lawv muaj qhov qis dua thiab txav lawvmus rau liab kawg ntawm electromagnetic spectrum, qhov twg lub teeb muaj qhov ntev wavelength.
Yuav ua li cas txav mus?
Doppler hloov Ib yam, lub teeb ntawm lub hnub qub txav deb ntawm peb zoo li hloov mus rau qhov ntev wavelength. Raws li qhov no yog mus rau qhov kawg liab ntawm lub spectrum, astronomers hu nws redshift. Sab saum toj: lub teeb spectrum ntawm ib yam khoom thaum so. Hauv qab: lub teeb spectrum ntawm qhov khoom txav deb ntawm koj.
Puas yog blueshift txav deb?
Ob lo lus no yog "redshift" thiab "blueshift."Lawv tau siv los piav txog ib qho khoom txav mus rau lossis deb ntawm lwm yam khoom hauv qhov chaw. Redshift qhia tias ib qho khoom txav deb ntawm peb. "Blueshift" yog ib lo lus uas astronomers siv los piav txog ib yam khoom uas txav mus rau lwm yam khoom los yog rau peb.
Puas redshift siab dua txhais tau tias nyob deb?
Raws li yav tom ntejnrhiav pom, qhov siab dua qhov redshift ntawm ib yam khoom, qhov deb deb nws yog (Hubble txoj cai). Los ntawm xyoo 1960, cov khoom nyob deb tshaj plaws tau pom yog quasars. … Cov quasars nyob deb tshaj plaws yog kwv yees li 13 billion lub teeb xyoo, deb.
Pom zoo:
Puas yog viv ncaus poj niam tsiv mus rau coyote hla?
Ib tug Ntawm 'vuam poj niam' tau tsiv mus rau Coyote Pass Property. Thaum Muam Poj Niam pib tshaj tawm TLC, Tsev Neeg Brown - uas muaj Kody thiab nws plaub tus poj niam, Meri, Christine, Janelle, thiab Robyn, nrog rau lawv cov me nyuam - txhua tus tau nyob ua ke hauv ib lub ru tsev hauv Lihai, Utah.
Puas yog tsiv ib lo lus?
verb (siv tsis muaj khoom), re·lo·cat·ed, re··locat·ing. hloov ib qho chaw nyob lossis chaw ua lag luam; txav mus los: Lwm xyoo peb yuav tsiv mus nyob rau Denver. Puas yog rov nrhiav chaw lossis hloov chaw? Thaum koj saib relocation koj pom lo lus nrhiav, uas los ntawm lo lus Latin locus locus, txhais tau tias "
Puas yog d'amelio tsiv tawm ntawm kev sib txuas?
D'Amelio loj hlob hauv Connecticut, tab sis nws tau tsiv mus rau LA tom qab muaj npe nrov. … Tom qab ntawd, D'Amelio thiab nws tsev neeg tau tsiv mus rau LA thiab nyob hauv Hollywood Hills tsev loj. Lub tsev nws tus kheej nyob rau ntawm kev ua lag luam rau $ 5.
Puas tsiv teb tsaws chaw thiab tsev kawm ntawv tawm daim ntawv pov thawj tib yam?
Qhov txawv ntawm daim ntawv pov thawj tsiv teb tsaws chaw thiab daim ntawv pov thawj tawm tsev kawm ntawv yog dab tsi? Teb: Yuav tsum muaj daim ntawv pov thawj tawm hauv tsev kawm thaum tus tub ntxhais kawm raug xa mus rau lwm lub tsev kawm ntawv ntawm tib pawg thawj coj, vim qee yam xwm txheej.
Puas yog tus nplawm cov plaub hau puas tsiv?
Cov puav tsiaj plaub hau muaj sia nyob tau txog 12 xyoos. Thaum lub caij ntuj no, Nyiaj-haired Bats tsiv mus rau thaj chaw uas muaj huab cua me me, ces hibernate. Lawv siv ntau qhov chaw rau lub hom phiaj no, suav nrog cov ntoo me me, cov ntoo xoob xoob, pawg ntoo, pob zeb ntsej muag crevices, qhov tsua nkag, thiab cov tsev.
