Ezikhathini eziningi, ososayensi baba nobunzima obukhulu ekuchazeni ezinye zezimo zezulu ezenzeka emhlabeni wethu. Kungaba ngokuya ngemvamisa yayo engajwayelekile noma ngenxa yokusebenza kwayo. Kulokhu sizokhuluma ngesenzeko imvelaphi yayo yayihamba kancane ukuchazwa ngososayensi bezulu. Imayelana ne-halo yelanga.
I-halo yelanga isiyingi esikhanyayo kwesinye isikhathi esakha uzungeze iLanga futhi singabonakala ebusweni bomhlaba. Kepha lakhiwa kanjani futhi kuziphi izimo? Uma ufuna ukwazi okwengeziwe, qhubeka ufunda.
Kwakhiwa kanjani i-halo yelanga?
Lesi simo esiqukethe isiyingi esikhanyayo esizungeze iLanga yaziwa njenge-halo noma i-antelia. Kwenzeka ikakhulukazi ezindaweni ezibandayo njengeRussia, i-Antarctica, noma inyakatho yeScandinavia. Kodwa-ke, inqobo nje uma izimo ezifanele zikhona ekwakhiweni kwayo, kungenzeka kwezinye izindawo.
Le halo yakhiwa yizinhlayiya zeqhwa ezisemlengisweni engxenyeni ephezulu kakhulu yetroposphere. Lapho ilanga liwela kulezi zinhlayiya zeqhwa, refract ukukhanya okwenza yonke inqwaba yemibala (efana naleyo yothingo lwenkosazana) ibonakale ezungeze iLanga. Singayibiza ngothingo lwenkosi oluyisiyingi olubonakala kakhulu ngokuba yi-iridescent.
Ukuze lesi simo senzeke ezindaweni lapho amazinga okushisa ejwayelekile ephansi, kufanele kube khona umehluko omkhulu phakathi kwamazinga okushisa angaphezulu naphezulu. Ukuze i-halo yelanga yakheke, kumele kube khona amakristalu eqhwa anele phezulu lokho kungakhipha ukukhanya okwanele ukwakha i-halo ephelele. Ezindaweni lapho amazinga okushisa ephakeme, lesi simo asikwazi ukubonwa.
Ukuqhathanisa okuphezulu kwezinga lokushisa kuvame ukwenzeka ngezikhathi zasekuseni, lapho umoya ubanda khona njengoba ungazange ube nomthombo wokushisa weLanga ubusuku bonke. Ngakho-ke, le halo ibonakala kakhulu ngezikhathi zasekuseni.
Kuyadingeka futhi ukuthi uhlobo lwamafu okwamanje esibhakabhakeni amafu e-cirrus. Lawa mafu akhiwa amakristalu amancane eqhwa angathola izinqubo zokubonisa nokuphindisela kokukhanya kwelanga.
Phezulu kwe-troposphere, ukukhanya kwelanga kushaya amakristalu e-ice amisiwe nezicucu njengoba zidlula. Umoya oshisayo okhuphuka ebusweni bomhlaba wenza umswakama ukhuphuke, okwenza kube nokwakheka kwamafu. Lapho amafu efinyelela engxenyeni ephakeme kunazo zonke ze-troposphere, uguqula lowo mswakama ube amakristalu amanzi okuthi, lapho ethola ilanga eliqondile, awubole ukuze wakhe i-halo yelanga.
Izici
Ama-solar halos ngokuvamile anakho i-engeli engaba ngama-degree angama-22. Uma kwenzeka i-halo yelanga, uma umuntu ekhomba ngesandla sakhe ebheke eLangeni, akunandaba ukuthi ukhomba kuphi, i-halo izokwakha i-angle yama-degree angama-22.
Umphetho wayo wangaphakathi uvamise ukuba nombala obomvu kunayo yonke esibukweni futhi ukwakheka kwawo okuvamise kakhulu ukuthi kube yindandatho yokukhanya egudla iLanga. Ngezinye izikhathi ungabona elinye i-halo elibangelwa amakristalu eqhwa amiswe azungeze ilanga. i-halo enkulu ene-engeli yama-degree angama-46 ukusuka enkabeni yeLanga. Kukhona nezinye izinhlobo zokwakheka okulula okufana ne-halo yelanga. Lawa yilanga okuthiwa ngamanga noma ama-parahelios futhi angabonakala nakuma-degree angama-22 maqondana nelanga, ngokuvundlile nangokuqondile. Lawa malanga amanga ayizithombe ezikhanyayo ezinokuma okufana kakhulu nediski yeLanga.
Ukudideka lapho ubona i-halo yelanga
Kwesinye isikhathi i-halo yelanga ingadidaniswa nemiqhele eyakheka ngezinsuku lapho isimo sezulu sinenkungu. Imiqhele engabonakala lapho amafu amancane kakhulu amboza isibhakabhaka akhiqizwa ngokusabalalisa ukukhanya lapho kudlula izinhlayiya ezimiswe emkhathini. Le miqhele ingafakwa, endabeni yezimo zokwakheka, kuthingo lwenkemba kanye nama-arcs wokukhanya okumhlophe noma okuphuzi. Lawa ma-arcs wokukhanya okumhlophe enza uma kunenkungu. Ukukhanya kwelanga kushaya ibhange lenkungu bese i-arc ekhanyayo yenzeka nge-engela yama-degree angama-40 ukusuka enkabeni yelanga.
Ingabonwa kanjani?
I-halo ejwayelekile kunazo zonke yakhiwa yizinqubo zokuphindisela ku iqhwa elinesimo esiyizinhlangothi eziyisithupha. Lesi simo eqhweni senza sikwazi ukukhipha imibala eminingi ku-spectrum.
Njengoba kushiwo kwezinye izindatshana ezifana nalezi ezikwi- Izinhla zomkhathiNjengoba sandisa ukuphakama kwi-troposphere, izinga lokushisa liyancipha. Ngale ndlela, engxenyeni ephakeme kakhulu ye-troposphere, amazinga okushisa aphansi. Kakhulu kangako, ukuthi cishe ibanga elingu-10 km, izinga lokushisa elizungezile lingama-degree angama-60. Kula mazinga okushisa aphansi, amaconsi amanzi amisiwe angamakristalu eqhwa angakhipha ukukhanya kwelanga futhi akhe i-halo.
Ukubona kahle i-halo elanga futhi ujabulele lesi simanga esingajwayelekile, Kufanele kuboniswe ngokugwema ukubuka ngqo kwiLanga. Siyakhumbula ukuthi ukubheka iLanga ngqo kungadala umonakalo omkhulu ku-cornea nokulahleka kombono ngenxa yenani elikhulu lemisebe yelanga nemisebe ye-UV elimaza izicubu zeso. Into enhle ongayenza ukubona lolu hlobo lwe-halo ukusebenzisa into eyindilinga esisiza ukumboza iLanga futhi sikwazi ukujabulela umbono we-halo. Izibuko ezisetshenziselwa ukubona ngeso lengqondo ukusitheka kwelanga nazo zingasetshenziswa.
Njengoba ukwazi ukubona, kwenzeka ezimweni eziningi zezulu emhlabeni wethu, kuze kube kungekudala, isizathu sokwakheka kwawo besingaziwa. Kodwa-ke, ngenxa yokutholwa okunikezwe umphakathi wezesayensi, namuhla singajabulela izenzakalo zesimo sezulu ezinjenge-halo yelanga, sazi imvelaphi yazo nezici zokwakheka kwazo.
Futhi wena, wake wabona i-halo yelanga?
Bavele babelana nami ngesithombe se-halo elanga, kepha eColombia ngo-12: 30 ntambama. Kungokwemvelo ukuthi kwenzeke kule latitude?
Namuhla emini eBurgos ngibone i-halo yelanga, ngabe kujwayelekile yini ukuthi kwenzeke lapha? Futhi emahoreni ambalwa ngemuva kokubona i-halo, kwavela isiphepho esinamandla kakhulu.