Video: Thaum twg tib neeg tau tshwm sim rau ntawm daim ntawv qhia hnub cosmic?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Peb tsim txog 11 billion xyoo dhau los, nyob rau lub Peb Hlis 15 ntawm cosmic xyoo. Nws siv sijhawm txog lub Cuaj Hli rau lub hnub ci tsim kho, thiab lub ntiaj teb thaum ntxov tsim.
Dhau li ntawm no, lub sijhawm twg cov neeg niaj hnub tuaj txog raws li daim ntawv qhia hnub cosmic?
Carl Sagan cov Cosmic Calendar Lub 13.7 billion xyoo lub neej ntawm lub ntiaj teb mapped mus rau ib lub xyoo. Ntawm qhov ntsuas no Big Bang tshwm sim rau Lub Ib Hlis 1 thaum ib tag hmo, tam sim no sij hawm yog Lub Kaum Ob Hlis 31 thaum ib tag hmo, thiab txhua thib ob yog 434 xyoo.
Ib yam li ntawd, muaj dab tsi tshwm sim rau lub Kaum Ob Hlis 30th ntawm daim ntawv qhia hnub cosmic? Kaum Ob Hlis 30 : 0.065 billion xyoo dhau los: Dinosaur Extinction Lub Cretaceous extinction tshwm sim thaum lub meteorite tsoo lub ntiaj teb thiab decimated yuav luag txhua hom ntawm lub neej. Cov uas tsis yog avian dinosaurs tuag tawm, ua txoj hauv kev rau cov tsiaj nyeg kom kov yeej lub ntiaj teb.
Tsis tas li ntawd, ntev npaum li cas yog ib thib ob ntawm daim ntawv qhia hnub cosmic?
Cov Cosmic Calendar qhia lub sij hawm-scale kev sib raug zoo ntawm lub ntug thiab tag nrho cov txheej xwm nyob rau hauv lub ntiaj teb raws li npaj raws li ib tug 12-hli, 365-hnub, xyoo. Hauv qhov ntsuas no, ib ob sib raug rau 438 xyoo; ib feeb yog txog 26,000 xyoo; ib teev yog 1.6 lab xyoo; thiab ib hnub yog 38 lab xyoo.
Dab tsi tshwm sim rau Lub Ib Hlis 1st ntawm daim ntawv qhia hnub cosmic?
Lub hnub yug ntawm peb lub ntiaj teb nyob rau hauv lub Big Bang tshwm sim rau Lub Ib Hlis 1 hauv tus Cosmic Xyoo, thiab lub sijhawm tam sim no sib raug rau qhov mob stroke ntawm ib tag hmo rau lub Kaum Ob Hlis 31. Peb paub cov hnub ntawm qee qhov xwm txheej, xws li lub hauv paus chiv keeb ntawm lub ntiaj teb, nrog rau qhov tseeb ntawm qhov tseeb.
Pom zoo:
Dab tsi yog qhov txawv ntawm daim ntawv qhia lub hom phiaj thiab daim ntawv qhia lub hom phiaj tshwj xeeb?
Qhov tseem ceeb hauv daim ntawv qhia dav dav yog nyob ntawm qhov chaw. Phab ntsa daim duab qhia chaw, feem ntau daim ntawv qhia pom nyob rau hauv atlases, thiab txoj kev maps yog tag nrho cov nyob rau hauv qeb no. Thematic maps, tseem hu ua daim ntawv qhia tshwj xeeb, qhia txog thaj chaw faib khoom ntawm ib lub ntsiab lus lossis qhov tshwm sim
Dab tsi tshwm sim rau Lub Ib Hlis 1 ntawm daim ntawv qhia hnub cosmic?
Nyob rau hauv daim ntawv qhia hnub cosmic 1 hnub = 40 lab xyoo thiab 1 lub hlis = ntau tshaj 1 billion xyoo. Hma liab / Cosmos Yog hais tias lub loj bang tshwm sim thaum pib ntawm lub xyoo, thawj thib ob ntawm lub ib hlis ntuj 1, ces: Raws li nws nthuav, lub ntug txias, thiab nws yog tsaus ntuj rau txog 200 lab xyoo
Thaum twg Nyiv tus neeg tua neeg av qeeg tshwm sim?
Lub yim hli ntuj 11, 2011 ntawm 2:46 PM Lub sijhawm hauv zos, av qeeg loj-9.0 tau tawg tsam thaj tsam 500-kilometer-ntev ntawm ntug dej hiav txwv sab hnub tuaj ntawm Nyiv. Nws epicenter yog 130 kilometers ntawm Sendai, Honshu; nws tshwm sim ntawm qhov tob tob ntawm 32 km
Thaum muab piv cov qauv sau rau ib tus neeg raug liam cov ntaub ntawv lub hnub nyoog sib txawv ntawm cov ntaub ntawv yuav tsum tsis pub tshaj kaum ob lub hlis?
Thaum piv cov qauv sau rau tus neeg raug liam? cov ntaub ntawv, lub hnub nyoog sib txawv ntawm cov ntaub ntawv yuav tsum tsis pub ntau tshaj rau rau kaum ob lub hlis. Tus lej txaus ntawm tus qauv yog qhov tseem ceeb rau kev txiav txim siab qhov tshwm sim ntawm kev sib piv
Yuav ua li cas tshwm sim rau lub parallel phaj capacitor thaum lub dielectric muab tso rau ntawm daim hlau?
Thaum cov khoom siv dielectric tau qhia nruab nrab ntawm daim hlau Thiab thaum cov khoom siv dielectric muab tso rau nruab nrab ntawm daim hlau ntawm cov paib sib npaug ntawm cov phaj capacitor ces vim polarization ntawm cov nqi ntawm ob sab ntawm dielectric, nws tsim hluav taws xob teb ntawm nws tus kheej uas ua nyob rau hauv ib qho kev taw qhia opposite. rau lub teb vim