Ngezinye izikhathi ungabona izinkanyezi ezidubulayo ziwa esibhakabhakeni. Bathi uma ubona inkanyezi edubulayo, kufanele wenze isifiso, futhi sizogcwaliseka nakanjani. Ngamehlo enyama, inkanyezi edubulayo ivela njengokukhanya okumhlophe okufushane. Sizokukhombisa okwengeziwe ngalesi sihloko lapha!
Ziyini izinkanyezi ezidubulayo?
Inkanyezi edubulayo, eyaziwa nangokuthi i-meteorite, ayinalutho olufana nenkanyezi, isenzakalo esikhanyayo esihambisana nokungena emkhathini wethu wothuli oluzungeza ku-solar system. Lolu thuli lwesivinini esikhulu luyashisa futhi lukhanye kafushane endaweni yokuphakama ngokuvamile phakathi kuka-70 no-120 km ngaphezu kwezinga lolwandle, ngaphambi kokuhwamuka.
Izinkanyezi ezidubulayo zihambisana nesigaba se-incandescent. Ngokuvamile, i-powder incane (i-millimeter noma ngaphansi kakhulu), kodwa ngezinye izikhathi inkulu futhi ukukhanya kwayo kungathatha isikhathi eside.
Uzibona kanjani kalula?
Ukuze ube nenjabulo yokubuka inkanyezi emangalisayo yokudubula, lezi zincomo ezilandelayo kufanele zicatshangelwe:
Okungcono kakhulu, kufanele uphume edolobheni ubusuku bonke bese uthola indawo enhle yokubuka emaphandleni, ezintabeni, noma olwandle—kudingeka kube indawo emnyama enesibhakabhaka esicacile. Ukuze uthole ulwazi olwengeziwe mayelana nokuthi ungabuka kuphi, ungabheka lesi sihloko mayelana nokuwa kwe-meteor.
Ungasebenzisi ama-binoculars noma ama-telescope; ukubuka kusebenza kakhulu ngeso lenyama, njengoba amehlo akho ejwayela ubumnyama nokukhanya kwezinkanyezi. Ukuze uthole amanye amathiphu okubuka, ungavakashela lesi sihloko mayelana ne-Geminid meteor shower ka-2024.
Ukubuka izinkanyezi ezidubulayo kungase kungabi lula, ngakho-ke ukubekezela kubalulekile ekuboneni inani elikhulu lazo. Ukuze ufunde kabanzi ngendlela eziziphatha ngayo, sincoma ukufunda ngesayensi engemuva kwezinkanyezi ezidubulayo.
Gwema ukubuka noma imiphi imithombo yokukhanya eseduze ngoba ingalimaza ukubona kwakho ebusuku.
Bavelaphi?
Le mizila yokukhanya emangalisayo ngezinye izikhathi ongayibona esibhakabhakeni ebusuku ibangelwa izingcezwana zothuli namadwala abizwa ngokuthi ama-meteoroid awela emkhathini woMhlaba futhi asha, umzila wokukhanya wesikhashana okhiqizwa i-meteoroid evuthayo Ibizwa ngokuthi i-meteorite.
Ama-Meteoroid avame ukwaziwa njengezinkanyezi ezidubulayo. Uma noma iyiphi ingxenye ye-meteoroid ihlala ikhanya futhi ishaya uMhlaba, leyo ngxenye esele ibizwa ngokuthi i-meteorite. Ngezikhathi ezithile zonyaka, ungase ubone inani elikhulu lama-meteor esibhakabhakeni sasebusuku. Ukuze ufunde kabanzi ngalesi sihloko, vakashela isigaba sethu ngezinhlobo zama-meteorite.
Lezi zenzakalo zibizwa ngokuthi ama-meteor shower futhi zenzeka lapho uMhlaba udlula emzileni wezinsalela ezishiywe yi-comet njengoba ujikeleza iLanga.
Zingabonwa nini?
Izinkanyezi ezidubulayo zibonakala esibhakabhakeni ikakhulukazi ebusuku basehlobo, ikakhulukazi ngo-Agasti. Amazinga okushisa aphansi kanye nokutholakala kwethu phakathi nalesi sikhathi samaholide kwenza kube lula ukuzibona. Ukuze uthole ulwazi olwengeziwe ngezinsuku, ungabheka lesi sihloko mayelana namaPerseid.
Kodwa kungenzeka ukubona izinkanyezi ezidubulayo unyaka wonke, empeleni, kunezinhlobo ezingaba ngu-70 (igama elinikezwe iqembu ngalinye lezinkanyezi ezidubulayo) ezisatshalaliswa phakathi nezinyanga. Eziningi zazo azithakazelisi kakhulu ngoba aziminyene, kepha ishumi nambili lifanelwe ukunakwa.
izinhlobo zezinkanyezi ezidubulayo
Kunezinhlobo ezintathu ezihlukene zama- meteor: lezo ezenziwe ngokuyinhloko ngeqhwa, lezo ezenziwe ngesigaxa sensimbi esiqinile noma esiqinile, nalezo ezenziwe ngezinhlanganisela zekhabhoni ezihlukahlukene.
Lokhu kubangela ukuziphatha okuhluke kancane kuhlobo ngalunye, kodwa akuwona umehluko omkhulu. Ukuze uqonde kangcono izinhlobo ezahlukene, ungathintana .
Enye into ebalulekile i-engeli lapho izinkanyezi ezidubulayo zingena khona emkhathini. Uma ukwi-engeli ecwebezelayo bathola umzila omude esibhakabhakeni futhi ngezinye izikhathi ungabona ngisho nentuthu esele ngemuva, lapho bemmango kakhulu bavame ukukhiqiza ibhande lokukhanya elifushane kakhulu.
Ezinye izinkanyezi ezidubulayo zivela ngokungahleliwe, kodwa ezinye ziwumphumela wenkanyezi endala ebilokhu ijikeleza ilanga izigidi zeminyaka futhi iqala ukuqhekeka. Lokhu kungashiya umkhondo omude wama-asteroid amancane uMhlaba odlula kuwo njalo.
Yini i-meteor shower?
Imvula ye-meteor yilapho ama-meteor amaningana, noma izinkanyezi ezidubulayo, ekhanyisa isibhakabhaka sasebusuku, okubonakala sengathi avela endaweni efanayo. Izikhathi eziningi ngonyaka, amakhulu amabhola omlilo asezulwini akhanyisa isibhakabhaka sasebusuku; lezi zinhlayiya ezincane zesikhala ziyi-meteoroid futhi ziyimfucumfucu yasezulwini ngokoqobo. Ukuze ufunde kabanzi mayelana nokuthi ungakujabulela kanjani lokhu, ungavakashela [iwebhusayithi/isixhumanisi sezithombe zezinkanyezi ].
