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Uyini unyaka ukukhanya?

Noma kunjalo, ekuphileni kwethu kwansuku zonke, nathi balinganise amabanga: esitolo eliseduze netihlobo kwelinye idolobha, ukuze emngceleni , nokunye. Nokho, lapho kuziwa emkhathini elikhulu, kubonakala sengathi ukusetshenziswa amagugu ajwayelekile sithanda angu ezingenangqondo. Futhi akusiyo kuphela yinkimbinkimbi bezibona okuholela lenani elikhulu, futhi isibalo kwamadijithi kuzo. Inkinga iba ngisho ukulotshwa kwencwadi zalelo nani elikhulu amaqanda. Ngokwesibonelo, kusukela Mars ukuze umhlaba ibanga lemfisha - abayizigidi ezingu 55.7 amakhilomitha .. amaqanda eziyisithupha! Kodwa le planethi ebomvu - omunye omakhelwane eliseduze esibhakabhakeni yethu. Indlela yokusebenzisa izibalo efanayo besiyoba sikhulu, okuyinto etholakala lapho kubalwa ibanga nasezinganeni izinkanyezi eliseduze? Futhi manje sidinga eliningi ezifana uXhumano Lweqoqo LokuneBluetooth. Malini? Manje sizokwenza ukuqonda.

Yini 1 unyaka ukukhanya ilingana?

Umqondo ngonyaka ukukhanya ahlobene eduze futhi ne-physics relativistic, lapho ubuhlobo obuseduze kanye nokulutheka mutual space kanye nesikhathi imisiwe ekuqaleni kwekhulu XX, ngesikhathi kuwa postulates ka Mechanics Newton. Ngaphambi kwalokhu, amagugu ibanga, amayunithi emikhulu ohlelweni kwakhiwa esicacile: ngayinye amayunithi ngokulandelana emelelwa inhlanganisela umyalelo ezincane (amasentimitha, amamitha, amakhilomitha, njll). Endabeni ngonyaka ukukhanya-ngaso leso sikhathi kuboshelwe isikhathi. Isayensi yanamuhla kuyaziwa ukuthi ijubane lokukhanya e cleaner kuyinto njalo. Ngaphezu kwalokho, kuyinto ngesivinini esiphezulu endalweni, kuyamukeleka physics zanamuhla relativistic. Ukuthi lezi imibono babekwa ngesisekelo ukubaluleka entsha. A uXhumano Lweqoqo LokuneBluetooth ibanga umsebe wokukhanya uhamba kwelinye Umhlaba ikhalenda ngonyaka. Omunye ikhilomitha imayelana 9,46 × 10 15 amakhilomitha. Ngokuthakazelisayo, eliseduze umzimba yasezulwini, inyanga, i-albhamu yezithombe Onqobayo ibanga 1.3 imizuzwana. Ukuze ilanga - imizuzu mayelana eziyisishiyagalombili. Kodwa ngaphambi inkanyezi eseduze olandelayo, u-Alfa no Proxima Centauri, isivele ezine light-years.
Vele ibanga kumnandi. Kukhona e isayensi yokuma kwezinto ezisemkhathini futhi emikhulu emkhathini ngesilinganiso. A uXhumano Lweqoqo LokuneBluetooth imayelana ingxenye eyodwa kwezintathu a Parsec, abaluleke nakakhulu amabanga interstellar amayunithi.

I esiphelweni Isivinini yokukhanya ezimweni ezahlukene

By endleleni, kukhona isici yokuthi izinhlayiyana eziningi zokukhanya ingasatshalaliswa ngamazinga angefani ezindaweni ezahlukene. Sesiyazi fast kanjani they bhibha cleaner. Futhi lapho kuthiwa ngonyaka ukukhanya izindawo ibanga ukukhanya ngonyaka sokunqoba obhekisele kuyinto isikhala esingenalutho. Nokho kuyathakazelisa ukuphawula ukuthi kwezinye izimo the velocity yokukhanya kungenzeka ezincane. Ngokwesibonelo, e-izinhlayiyana eziningi zokukhanya emoyeni chitha nge rate kancane ngaphansana a cleaner. Lokho kuyinto - kuye esimweni esithile umkhathi. Ngakho, endaweni egcwele igesi umshicileli zazilingana linakho ukubaluleka okuthile ezincane. Nokho, kungaba ukuhluka ukuthi yokutholwa.

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