Polar Day - ebusuku polar

Akulula ukucabanga ukuthi emini sithatha amahora angaphezu kwamane 24, ukuthi indodana yami yayingeke esikhundleni ebusuku emgwaqeni njalo ukukhanya. Noma, kunalokho - konke sobusuku, ubumnyama, ukubanda. Kodwa indlela kungenxa imingcele yangaphakathi ye-Arctic Circle.

Polar Day - inkathi lapho ilanga lalingabonakali emkhathizwe futhi ingahambi ngoba esingaphezu kosuku olulodwa. Lesi simo esiyingqayizivele sibangelwa kungabonakala nasemkhakheni ezindaweni ezibandayo kuya enyakatho ye-Arctic Circle naseningizimu ye-Antarctic Circle.

Polar usuku kungenzeka ngenxa indiza eMhlabeni bhé ukuthambekela mayelana indiza ye Ecliptic cishe 23 ° 26 '. Uthatha cishe izinsuku ezimbili ku-Arctic Circle futhi kukhulisa Ezindaweni eziphakeme ukuze izinsuku 186 kuma-pole. I emfushane at latitude ka engaba ngu-65 ° 43 '. Omude kunayo yonke owake - ngesikhathi amazwekazi aseNyakatho naseNingizimu nabasePoland. Lapho, isikhathi salo izinyanga eziyisithupha. Ngezinye North Pole , uqala ngo-March 17 no-ihlala kuze 25 Septhemba. Futhi ngesikhathi South Pole sihlala 20 September kuya 22 Mashi. Phakathi polar ilanga akezi nsuku emkhathizwe, kodwa yenza parallel umbuthano emkhathizwe. Ngaphezu kwalokho, lo mkhuba kwalungiswa izinkunga zokubona kusivumela ukuba bagcine khona ilanga ngesikhathi esifanayo zombili, abe yizindawo zezinti izinsuku eziningana zilandelana ngaphambi nangemva ngothi i-equinox.

Ngobusuku polar kwenzeka eduze ohlangothini elingaphandle kwe-Arctic Circle. Ngalesi sikhathi, akukho kwelanga esingaphezu kosuku. Ngobusuku obubodwa umngcele njalo emhlabeni-Arctic Circle-latitude cishe 73 ° 5 'ukuze i-South. Lokhu ebusuku ingahlala isikhathi esingengaphezu kwezinsuku ezingu 178 ka.

Qala nobude izinsuku polar kanye nobusuku ahlukile ezindaweni ezahlukene. Futhi, izimo zezulu ezihlukahlukene kuyagcinwa kuzo. Lokhu kungenxa indawo yabo ethile ye-latitude. Ngokwesibonelo, enyakatho, elimhlophe, ebusuku polar Uthatha Novemba 30 kuya ku-January 13; Murmansk iqala ngo-December 2 futhi iphela ngo-January 11; Polar Zory (sezulu ukuthi ebusika onokhahlo) ukuhlangabezana yayo Disemba 21, bathatha 23 enyangeni efanayo.

Njengoba sesibonile, lezi zenzakalo abe ubude mayelana 186 - 178 izinsuku, okungukuthi, kuma-pole ihlala nengxenye ngosuku, isigamu ngonyaka - ebusuku. Futhi lezi zikhathi obhekene izimo sezulu emhlabathini. Akukho ezine zonyaka ka ngonyaka, kodwa kuphela ehlobo kunemibandela ahlukaniswe (ngosuku polar) futhi ebusika (uma ebusuku polar). Futhi lokho kwehlela unozungezilanga wethu ngesikhathi zalezikhathi?

Ehlobo lika omunye izinti Umhlaba olubheke elangeni futhi akungeni ithunzi, naphezu Ukujikeleza kule planethi emhlabeni axis awo. Kuleli sayithi - usuku polar. Kodwa akulona njengakwamanye zisetshenziselwa ukumbona. Phela, ayiyona ingxenye yosuku, ngoba ihlala izinyanga eziyisithupha. Njengoba isigxobo siqondiswe inkanyiso ke, ngokufanelekile, ilanga efihla ngemuva emkhathizwe, futhi esihamba kuwo.

Ngesikhathi isigxobo okuphambene kukhona isimo sasihluke ngokuphelele. Ngoba ngaleso sikhathi wayesevile eminyakeni cishe esigamwini sonyaka emthunzini ebusuku njalo uya kuyo. Ilanga ayibonakali lalingabonakali emkhathizwe.

Ngokushesha ngaphambi ukuqala usuku polar ku "belusizi" isigxobo livela elithakazelisayo engokwemvelo - the Borealis aurora. Uma kwenzeka emhlabeni kuba ukuxegiselwa njengoba ngaphandle inyanga igcwele. Northern Lights - nje ukusebenza optical, kodwa indlela okuthakazelisayo! abantu Bangaki dream okungenani kanye ukumbona bukhoma!

Borealis kwenzeka emkhathini ngenxa nokuxhumana kazibuthe Zomhlaba izinhlayiya emkhathini. Lokhu kukhanya emoyeni ezingeni ukuphakama km 60 1000 ngesimo imishayo arcuate, amakhethini, imiqhele. It kuyabonakala izinti zombili ama-, kodwa ngamandla obuhlukahlukene, kuncike latitude. Uthatha imizuzu eminingana izinsuku ezimbalwa futhi kungaba kuphela avele esibhakabhakeni ebusuku ngezikhathi ezahlukahlukene onyakeni.