Zithini izazi zezinkanyezi mayelana nokuphela koMhlaba?

Njengoba konke kunesiqalo, nakho kuba nokushona kwelanga. Isisekelo esinjalo sisetshenziselwa ukuba khona kanjalo, kusukela ekuphileni ngokwako kuya entweni ngayinye eyingxenye yendawo yonke. Kulo mqondo, izikhathi eziningi Kuvamile ukuzibuza ukuthi kuyoba nini ukuphela kwayo yonke into futhi uma isayensi izoba nempendulo. Kodwa, ngokuvamile, zithini izazi zezinkanyezi mayelana nokuphela koMhlaba?

Ungakhathazeki, impela ukuphela kwesikhathi kusekude kakhulu. Ngokusho komphakathi wesayensi, esikhathini esimaphakathi noma eside, abukho ubufakazi bezinsongo zangempela ze-cosmic. Nokho, ikusasa aliqinisekile futhi alinakuphikiswa, ngakho-ke kungenzeka noma yini.


Ungase futhi ube nentshisekelo esihlokweni sethu: Ungathanda ukwazi ukuthi yini amafu? Bazi kahle!


Ukuphela Komhlaba. Kungani lokhu kukhathazeka kungathandeki?

Nakuba umphakathi wesayensi ukusekela ngamaqiniso ukuthi ayikho ingozi Emhlabeni, empeleni umkhuba uhlukile. Ngamanye amazwi, ingxenye enkulu yomphakathi ihilelekile ekunqumeni ukuthi kuzokwenzekani ngeplanethi esikhathini esizayo esiseduze. Nokho, abazi nhlobo ukuthi ziyizenzakalo ezingaphezu kwamandla abantu.

ukubhujiswa komhlaba

Umthombo: Google

Kusukela kudala, ukuphela koMhlaba bekuyingxenye yomcabango womlando wesintu. Ukwesaba nokungaqiniseki kokungazi ukuthi kufanele sisabele kanjani ezinhlekeleleni kubeka isisekelo sokubuza umbuzo ofanayo: Kuyoba nini ukuphela?

Ngokusekelwe kukho, Zonke izinhlobo zethiyori yozungu zenziwe ukuziba ngokuphelele iziphetho noma izibikezelo zesayensi. Eyaduma kunawo wonke yileyo eyayinekhalenda lamaMaya ngo-2012.

Kulungile, ngokusho kokuhlaziywa okuthile ngokuntuleka kokuqina, babeka ukuphela koMhlaba ngo-December 21, 2012. Nokho, njengoba bekulindelekile futhi, ngemva kwezixwayiso zesayensi ukuthi ngeke kwenzeke, empeleni, akwenzekanga lutho.

Ngaphandle kwe-anecdote enjalo, Ayikaze ithiyori yozungu esabalele kangaka phakathi komphakathi wonkana. Nokho, nakhona, isayensi yanqoba. Ngokulandelayo, kusukela ngaleso sikhathi, izazi zezinkanyezi ziye zalawula ukuphikisa noma isiphi isisekelo salesi sici. Ngakho-ke, ngamafuphi, i-End of Times isalokhu ingaqiniseki futhi, kuze kube manje, cishe akunakwenzeka.

Ngakho... yini engabangela ukuphela koMhlaba ngokwesayensi?

Ngokusobala, izinkolelo-mbono zozungu azihambisani namaqiniso asekelayo. Naphezu kweqiniso lokuthi ziyizithiyo ezilula ezingenangqondo, abantu banqotshwa ukwethuka kanye ne-echo yomphakathi.

Ukushintsha lelo qiniso, kubaluleke kakhulu zazi izingozi zangempela ezisongela iplanethi. Nakuba ukuphela koMhlaba kungenakwenzeka okwamanje, akusho ukuthi akunabungozi ngokuphelele.

Khumbula ukuthi i-cosmos ayinamkhawulo, ngakho iyikhaya lazo zonke izinhlobo zezinto ezingase zibe yingozi. Phakathi kwazo kukhona izinkanyezi eziyinqaba nezizulazulayo, izidalwa umphakathi ozibala njengezidalwa ezibikezela izinhlekelele.

Kodwa futhi, kunezinsongo ezizwakalayo ebusweni uqobo noma umkhathi womhlaba. Yilezi zenzakalo ezisongelayo kanye ezibangela ukukhathazeka okwandayo phakathi kochwepheshe. Angase angafani nesiphetho soMhlaba, kodwa uma engelashwa ngendlela efanele, angaletha izikhathi ezinzima esikhathini esizayo.

I-asteroid Apophis kanye nokubikezela kwayo ngomhlaba

Itholwe ngoJuni 2004, i-Apophis iyinkanyezi enhle kakhulu ebeka usongo eMhlabeni. Inezimpiko ezifinyelela ku-370 wamamitha ububanzi, isici esibi kakhulu.

Ngalo mqondo, kwakungonyaka ka-2004. lapho i-Apophis yabangela khona isiyaluyalu emphakathini wesayensi. Ngemva kokubonwa kwayo, i-asteroid, ngokwezibalo ezithile, yahlukaniswa njengosongo lwangempela nolunomkhawulo.

Isizathu esikhulu kwakuwukuthi i-Apophis yayizowela eduze ngokwanele ukuya eMhlabeni ukuze idonswe ensimini yayo yamandla adonsela phansi. Kodwa-ke, ngokuhamba kwesikhathi futhi kuze kube manje, umhlangano olandelayo ne-Apophis, ohlelelwe i-2068, awusho noma iyiphi ingozi.

I-colossus Bennu nobukhulu bayo obumangalisayo

Ngaphezu kwe-Apophis, enye asteroid esanda kufundwa iBennu, into enkulu yasemkhathini eyabonwa ngo-1999 e-Socorro, e-U.S.A. Njengoba ingaphezu kwamamitha angu-480 ububanzi, ingenye yamatshe asemkhathini amakhulu kakhulu eduze nomjikelezo woMhlaba.

Eqinisweni, izici zayo ezithile ziye zayenza into yocwaningo lwezendawo NASA. Phakathi kwazo, i-OSIRIS probe yasemkhathini ihlela ukuqoqa izinto eziningi ezinamatshe ngangokunokwenzeka ukuze kuhlaziywe i-asteroid. Ngemiphumela etholiwe, izimfihlakalo ezengeziwe ngabo nokuziphatha kwabo zizodalulwa.

nakuba ikusasa ayibeki usongo oluqondile eMhlabeni, UBennu uzoqhubeka efundelwa. Njengoba kuyi-asteroid engaqondakali futhi engaqondakali, akwaziwa kahle ukuthi kuzokwenzekani emashumini ambalwa eminyaka.

Ukufudumala kwembulunga yonke kuyiqiniso

Wonke umphakathi wesayensi, ngale kwesayensi yezinkanyezi, ugcizelele ingozi ebangelwa ukukhishwa kwe-CO₂ ngokweqile. Ngokuqoqwa kwaleli gesi nezinye, ezinemiphumela eyingozi, iplanethi iqala ukushintsha kakhulu.

Ngalo mqondo, ukufudumala kwembulunga yonke ibishiya uphawu okokugcina. Ukushintsha kwesimo sezulu, kanye nokuncibilika kwezinguzunga zeqhwa, kungezinye zezimpawu zalokhu kuhwebelana okukhathazayo. Mhlawumbe ukuphela koMhlaba akukho emkhathini, kodwa kusendaweni yawo uma kukhona okungenziwanga ngakho.

Kuyoba yini ukuphela komhlaba ngempela? Uyafuna ngempela ukwazi?

ekupheleni komhlaba kuze kube phakade

Umthombo: Google

Ngokuntwela kokusa ngakunye nangokuthuthuka kwezobuchwepheshe, ukuthola ukuthi kuzoba yini ukuphela komhlaba kuyisimo esinzima. Ngaphezu kwezimo ezingaba khona eseziphakanyisiwe, kukhona ezinye ezimbalwa ezingangena kulolo hlu.

Nokho, umphakathi wesayensi ucacisa ukuthi asikho isimo esibi for Earth emashumini eminyaka ezayo. Yiqiniso, ithonya lomuntu endaweni ezungezile kufanele lilawulwe ukuze kuhambisane nesimiso esinjalo.

Uma kungenjalo, impendulo kuphela enengqondo yalokho okuyoba ukuphela koMhlaba, igxile kakhulu eqinisweni lokuqothulwa kwelanga. Kunjalo, inkanyezi engumama ayisona isidalwa esingapheli, ngakho-ke ukuguga kwayo kwesikhathi esizayo kuyisimo esiphikisa kakhulu.


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