Lub koob yees duab yog ib qho khoom siv kho qhov muag uas siv lo ntsiab muag, daim iav nkhaus, lossis ob qho tib si los saib xyuas cov khoom nyob deb, lossis ntau yam khoom siv los soj ntsuam cov khoom nyob deb los ntawm lawv cov emissions, nqus, lossis xav txog ntawm hluav taws xob hluav taws xob.
Leej twg yog tus tsim lub koob yees duab tiag?
Galileo Galilei (1564-1642) yog ib feem ntawm pawg me me ntawm cov kws tshawb fawb hnub qub uas tig lub koob yees duab mus rau saum ntuj. Tom qab hnov txog "Danish foundations iav" hauv 1609, Galileo tau tsim nws tus kheej lub tsom iav. Tom qab ntawd nws tau qhia lub tsom iav hauv Venice.
Puas yog Galileo tau tsim lub koob yees duab tiag tiag?
Xyoo 1990, tib neeg muab tso rau hauv qhov chaw sab nraud qhov qhov muag pom tseeb tshaj plaws los saib ntawm ntug, Hubble Space Telescope. Tab sis qhov ntawd yuav tsis tuaj yeem ua tsis tau yog tias tsis muaj thev naus laus zis tsawg, tab sis sib npaug ntawm kev hloov pauv, kev tsim kho-lub koob yees duab nthuav tawm los ntawm Galileo Galilei rau Lub Yim Hli 25, 1609.
Leej twg tsim lub koob yees duab ua ntej Galileo?
Ntau tus neeg ntseeg tias Galileo Galilei yog thawj tus kws sau hnub qub tsim thiab tsim lub koob yees duab; Txawm li cas los xij, thawj lub koob yees duab tau tsim los ntawm Hans Lippershey nyob rau thaum ntxov 1600s. Lipperhey yog German-Dutch iav tsim, thiab nws tswj kom txo cov teeb pom kev hauv nws lub tsom iav thaum tsom.
Galileo tau tsim lub tsom iav li cas?
Hauv xyoo 1608, Lippershey tau thov rau ib lub cuab yeej uas tuaj yeem nthuav cov khoom peb zaug. Nwstelescope muaj ib tug concave eyepiece raws li ib tug convex lub hom phiaj lens. Ib zaj dab neeg hais tias nws tau txais lub tswv yim rau nws tsim tom qab saib ob tug me nyuam hauv nws lub khw tuav ob lub lo ntsiab muag uasua rau huab cua nyob deb vane tshwm nyob ze.
