<prompt> Fingqa isihloko: ILondon CNN Kuyisimo esiye sahlotshaniswa nodrako, isikhova esimnyama noTiangiou, inja yemilingo yasezulwini. Izinganekwane ezivela emhlabeni wonke ziye zabasola bonke ngokudla ilanga. Eqinisweni, ukusitheka kwelanga, njengalokhu okubonakala ezingxenyeni zeNyakatho Nenkabazwe namuhla, kuwumphumela wenhlanhla emangalisayo. Inyanga nelanga zisekude ngokwanele eMhlabeni ukuze zibonakale zilingana esibhakabhakeni nakuba ilanga likhulu ngokuphindwe izikhathi ezingaba ngu-400 kunenyanga. Ngezinye izikhathi, ilanga, inyanga noMhlaba kuqondaniswe ngokuphelele ukuze kuthi lapho inyanga idlula phambi kwelanga, ikhiphe isithunzi eMhlabeni, ivimbe ukukhanya. Kodwa akuyona yonke indaba. Ukufiphala okuphelele kungabonwa kuphela egcekeni elincane elaziwa ngokuthi umzila wokuphelela --- noma isithunzi sangaphakathi. Indawo lapho imisebe yelanga ifihlwa khona ngokwengxenye kuphela ibizwa ngokuthi i-penumbra. Namuhla isithunzi senyanga siwela ezingxenyeni zaseNyakatho Afrika, eYurophu naseMpumalanga Ephakathi. Izigidi ziyobe zisesithunzini futhi zikwazi ukubona ukusitheka kwelanga okuyingxenye kodwa uma ufuna ukubamba ubukhazikhazi obuphelele besikhathi sika-2015 kuzodinga uhambo oluya eNyakatho Nenkabazwe, eSvalbard noma eFaroe Islands phakathi kwe-UK neNorway. Ungathola ukuthi uzokwazi yini ukubona ukusitheka kwelanga ngokubuka i - animation yethu. Ukufiphala kwelanga kuvame kakhulu - ukufiphala okuyingxenye kubonakala endaweni ethile eMhlabeni cishe minyaka yonke - kodwa hhayi endaweni efanayo. Ungase ulinde amakhulu eminyaka phakathi kokufiphala okuphelele kokubili endaweni efanayo. Futhi akuzona zonke izinyanga eziba nesithwathwa ezifanayo. Inyanga ilandela umjikelezo oyisicaba ozungeza uMhlaba okusho ukuthi ngezinye izikhathi iseduze nathi - e-perigee - futhi ngezinye izikhathi iqhele kakhulu - e-apogee. Ekuphakameni kwayo, inyanga ayibonakali inkulu ngokwanele ukuba ifihle ngokuphelele ilanga phakathi nokushona kwelanga futhi umuntu obukele ubona indandatho yokukhanya okukhazimulayo ezungeze inyanga. Lokhu kubizwa ngokuthi ukusitheka kwelanga okunjengendandatho. E-perigee njengamanje ilanga liyovalwa ngokuphelele inyanga phakathi...  <response>: Ukufiphala kwelanga kwenzeka lapho ilanga, inyanga, noMhlaba kuqondaniswe ngokuphelele ukuze kuthi lapho inyanga idlula phambi kwelanga, ikhiphe isithunzi eMhlabeni. NgoMarch 20 walo nyaka isithunzi senyanga siwela ezingxenyeni zaseNyakatho Afrika, eYurophu naseMpumalanga Ephakathi. Inyanga isuka kancane kancane eMhlabeni ngakho kuyofika isikhathi lapho inyanga izobonakala incane kakhulu ukuba ivale ilanga. 