Wonke umntu uya kusithwa yimpambano. Ukufiphala kwelanga okokuqala ukusukela ngo-Agasti ka-2017 kwi-Great American Eclipse, ngolwesiBini kunye nokusithwa kwelanga ngokumangalisayo kwi-hemisphere esemazantsi kukhumbuze abantu abaninzi baseMntla Melika ngeziganeko zolo suku lwehlobo kwiminyaka emibini edlulileyo. Esi siganeko simangalisayo sasezulwini sisizathu esikhulu sokuhamba, kodwa ubusazi ukuba uMntla Melika ngoku ukwisigaba segolide sokufiphala kwelanga?
Yintoni ukusithwa kwelanga yinyanga?
Ngaphandle kokuba ilanga likhulu kangangezihlandlo ezingama-400 ezinkulu kunenyanga, likwangamaxesha angama-400 ukude noMhlaba. Ukujikeleza kwenyanga koMhlaba kuthambile kancinane kwindlela ilanga elihamba ngayo esibhakabhakeni, kodwa kuyadibana. Ngamaxesha athile, inyanga entsha ifika kanye phakathi koMhlaba nelanga, kwaye kwenzeka ukusithwa kwelanga yinyanga.
Wenzeka nini umnyama eMntla Merika?
Ukufiphala kwelanga okulandelayo okuza kubonakala eMntla Melika kuza ngoJuni 10, 2021 xa ukusithwa kwelanga ngokuyinxalenye kuya kubonakala kumantla mpuma e-U.S nase Canada. Amava aya kufana nonyaka we-2017, iiglasi zelanga ezitshisayo zibalulekile kuwo wonke lo msitho, nangona oku kusenzeka ekuphumeni kwelanga. Abo baseNew York naseBoston kuya kufuneka bavuke nge-5: 30 kusasa ukuze babone iipesenti ezingama-73 zelanga eligqunywe lilanga liphuma ngaphaya komphezulu. IMontreal neOttawa, eKhanada ziya kubona ilanga elisithwe yipesenti ezingama-80. Nangona kunjalo, i-epicenter ise-Ontario, Canada, apho umsitho uyakuba yi-Ring of Fire Eclipse ekhethekileyo, ekwabizwa ngokuba yi-annular eclipse yelanga.
Yintoni ukusithwa kwelanga yonyaka?
Kulapho inyanga ingagubungeliyo ilanga kuba ikwindawo ekude eMhlabeni kumjikelezo wayo okwe-elliptical wenyanga, ngoko ke incinci esibhakabhakeni. Yintoni ababukeleyo indlela emxinwa enqumle umphezulu womhlaba jonga iyakuba sisangqa esipheleleyo sokukhanya ejikeleze inyanga, nangona iiglasi zelanga ezinyangeni kufuneka zinxitywe ngawo onke amaxesha. Ngaphandle kokuba ufike kwindawo ekude ye-Baffin Bay okanye yeNdawo eziMantla-ntshona, eyona ndawo ilungileyo ukuba ibekho ngoJuni 10, 2021 IPark yePhondo yePhondo eOntario, Canada, apho iRing of Fire efanelekileyo iya kuhlala imizuzu emi-3 kunye nemizuzwana engama-33 ukusuka nge-5: 57 kusasa ngeepesenti ezingama-94 zelanga zifihliwe.