Embindini wobusika, xa uninzi lweYurophu noMntla Melika zigutyungelwe likhephu, kuyathakazelisa ukwazi ngakumbi malunga nekhephu ukuze uziqonde ngcono. Ngesi sizathu siza kukuxelela 4 ukwazi malunga nekhephu Ngokuqinisekileyo oko kuya kukumangalisa.
Masazi ngakumbi ngaye.
Ikhephu linokuba pinki
Ngokwesiqhelo, umbala wekhephu umhlophe njengoko umphezulu ubonakalisa ilanga, ulithumela libuyele emajukujukwini, kodwa inokuba ipinki ngenxa yobukho bendalo encinci enokufikelela kwizigidi zeekopi kwisentimitha nganye yekhephu njengoko besitshilo Oku kubhaliwe, okanye eminye imibala ukuba ixutywe nongcoliseko.
Iqhwa lekhephu alikho izimbiwa
Isimbiwa sisiseko esihambelanayo esinokucaciswa (kodwa okungagcinwanga) nokwenziwa kweekhemikhali kunye nolungiselelo lweatom. Umkhenkce asiyo imeko yesiqhelo yamanzi, kwaye amanzi alulwelo akanayo indlela elungeleleneyo, ke ayithathwa njengembiwa.
I-China ibhiyozela umnyhadala wekhephu omkhulu
Iyaziwa ngokuba yiHarbin Ice and Snow Sculpture Festival kwaye ibibanjwa minyaka le ukusukela ngeyoMqungu ngo-1963. Ukusukela ngoko, abahlali kunye nabakhenkethi bonwabela imifanekiso emihle eyenziwe ngezinto ezazenziwe eHarbin. Ihlala ixesha elide kuba zinobushushu obuphakathi -18,3ºC kwinyanga yokuqala yonyaka.
Ikhephu kwezinye iiplanethi
Ikhephu eMars. Umfanekiso - iNASA
Singacinga ukuba likhithika kuphela apha, kwiPlanethi yoMhlaba, kodwa siya kuba siphosakele. Ikhephu likwawela kuMars naseVenusNangona ayifani nale siyibonayo: kweyokuqala, yi-carbon dioxide ewela ngohlobo lwenkungu, ngelixa kweyesibini, ikhephu liyi-pyrite enomphunga ngamaqondo obushushu aphezulu.
Uyazazi ezinye izinto ezifuna ukwazi ngekhephu?