Hanganga, Pūtaiao
Ko te tere o te marama i roto i te korehau ... a kahore anake
He tangata hiahia tonu i roto i te āhua o te marama, ka rite ki kitea e nga ngā pakiwaitara, ngā pakiwaitara, Whatahoro tautohetohe taumauri me te mātakitaki pūtaiao. Kua kua Light tonu he take mo tautohe o te philosopho onamata, a ka meinga whakamātau ki te ako i te reira i roto i te wa o te takanga o Euclidean āhuahanga - 300 BC Ko reira kua mōhio o te whakatö torotika o te marama, koki rite o te pā me te whakaata, ata tāhapa tītohunga, kōrero te take o te aniwaniwa. Aristotle whakapono e te tere o te marama e kore e taea, a reira, arorau, me te ine o te tere e kore taea te whakariterite o te marama. He take angamaheni ka te raruraru, ko tona māramatanga hohonu o te wā i mua o te whakahoki.
Ētahi 900 tau ki muri, fokotu'u Avicenna e noa'tu te nui ranei ko te tere o te marama, ko te reira, i muri katoa, kua he uara tahuti. Tenei whakaaro i kore ia anake, engari i tangata kua taea ki te whakamatau i te reira experimentally. whakaarohia Genius Galileo Galiley he whakamātau māramatanga mechanistic o te raruraru: e rua iwi e tu ana i te tawhiti o te torutoru kiromita o tetahi ki tetahi, e hoatu tohu, te whakatuwhera i te rama takirere. Kia ki te rōpū tuarua kite i te marama i te rama tuatahi, e iriti te reira ona kuwaha, a ka tuhi te rōpū tuatahi te wa o te taenga o te marama whakautu tohu. Na ka faarahi te tawhiti, a ka korerotia nga mea katoa te. hua tūmanakohia i roto i te roa maukati me i taua pūtake mahi he tātaitanga o te tere o te marama. mutu te whakamātau i roto i tetahi mea, no te mea "ko reira kore ohorere, engari rawa hohoro."
whanganga te tuatahi te tere o te marama i roto i te korehau ki 1676, arorangi Ole Roemer - tu'asino whakatuwhera reira Galileo: te kitea i roto i te 1609, e wha Jupiter amiorangi, i roto i nei i roto i nga marama e ono wa rerekētanga i waenganui i rua te āraitanga amiorangi he 1320 hēkona. Mā te mōhiohio arorangi o tona wa ko Roemer te tere o te marama rite ki te 222.000 km ia te rua. Faahiahia i e te tikanga inenga iho tika tino - te whakamahi o te diameter raraunga mohiotia wawetia āmiotanga whenua, Jupiter me te toe'a wa amiorangi roa homai te tere o te marama i roto i te korehau, ki runga ki ngā uara rā whiwhi i ētahi atu tikanga.
I te tīmatanga, i te ngā Romer kotahi anake amuamu - ko reira tika ki te ine i te tikanga te fenua nei. ka mau te reira i tata 200 tau, ka hanga Louis Fizeau taputapu tohunga i roto i i kitea te kurupae marama i te whakaata i te tawhiti o te neke atu i te 8 km me hoki haere mai. ko tuhono e horo ana a reira wahi i runga i te ara hoki a atu i roto i nga kōwhao taputapu, me te mea ake i te tere hurihuri o te wira, mai te wa ka mutu te marama ki te kia kitea. Ko te okiokinga - he whakapati. Ko te hua ine - 312.000 kiromita ia te rua. Tatou e kite inaianei e tonu ofi ki te pono, ko te Fizeau.
Ko te mahi i muri mai, ko te ki te ine i te tere o te marama i Foucault, e whakakapi te taputapu whakaata flat. Ko taea ki te whakaiti i te rahi o te tāutanga, me te ki ake i tika inenga ki runga ki te 288.000 km ia te rua. No ko iti nui te mahi mahi me whakamātau o Foucault i ai whakaritea e ia te tere o te marama i roto i te reo. Hoki tenei whakaaro whakanohoia te putorino ki te wai i waenganui i nga whakaata Totonu. I roto i tenei whakamātau, i kitea ai he auau whakaiti o te marama i roto i tona whakatö i roto i te reo i runga i te taupū hakoko rānei.
I roto i te hawhe tuarua o te rau tau 19, he reira wa ki Michelson, e oti rawa kua 40 tau o inenga tona ora i roto i te mara o te marama. Ko te karauna o tona mahi ko te tāutanga i runga nei te whanganga reira te tere o te marama i roto i te korehau te whakamahi i he roa atu i kiromita hawhe te ngongo whakarewa whakatahia. Ko tētahi atu paetae taketake Michelson ko taunakitanga o te meka e mo tetahi roangaru o tere te marama i roto i te korehau, me te rite te paerewa o nāianei 299792458 +/- 1.2 m / c. kawea taua inenga i roto i runga i te pūtake o te mita uara tohutoro hou rite tautuhi whakaaetia, i roto i te tau 1983 ki te paerewa ao.
i he whakaaro nui i Aristotle, engari ki te whakamatau ka mau te reira tata 2000 tau.
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