Iyini i-supermoon?Akha kanjani ama-supermoons?

I-Supermoon (Supermoon) igama elaphakanyiswa isazi sezinkanyezi saseMelika u-Richard Noelle ngo-1979. Kuyisenzakalo lapho inyanga iseduze ne-perigee lapho inyanga entsha noma igcwele.Lapho inyanga ikwi-perigee, kuvela inyanga entsha, ebizwa ngokuthi i-super New moon;inyanga igcwele ncamashi uma ise-perigee, eyaziwa ngokuthi yinyanga egcwele kakhulu.Ngenxa yokuthi inyanga izungeza umhlaba izungeza i-elliptical, ibanga eliphakathi kwenyanga nomhlaba lilokhu lishintsha, ngakho lapho inyanga isondela emhlabeni lapho inyanga egcwele iba nkulu, kuyobonakala nenyanga egcwele enkulu.
Ochwepheshe besayensi yezinkanyezi bethula ukuthi “inyanga enkulu” izovela esibhakabhakeni ebusuku ngo-June 14 (May 16 ekhalendeni lenyanga), okuphinde kube “inyanga yesibili egcwele” kulo nyaka.Ngaleso sikhathi, uma nje isimo sezulu sisihle, umphakathi ovela kulo lonke izwe lakithi ungajabulela inyanga enkulu, njengepuleti elihle le-jade elimhlophe elilenga phezulu esibhakabhakeni.
Lapho inyanga nelanga kuzinhlangothi zombili zomhlaba, futhi ubude benyanga nelanga buhluka ngama-degree angu-180, inyanga ebonakala emhlabeni iyindilinga kakhulu, ebizwa ngokuthi “inyanga egcwele”, eyaziwa nangokuthi “inyanga egcwele”. ngokuthi “bheka”.Eyeshumi nane, yeshumi nanhlanu, yeshumi nesithupha ngisho neyeshumi nesikhombisa yenyanga ngayinye yizikhathi lapho inyanga egcwele ingase ibonakale.
Ngokuka-Xiu Lipeng, oyilungu le-Chinese Astronomical Society nomqondisi we-Tianjin Astronomical Society, ukuzungeza kwenyanga okuyisiyingi emhlabeni kuthe “flat” kakhudlwana kunomjikelezo womhlaba oyi-elliptical ozungeza ilanga.Ngaphezu kwalokho, inyanga iseduze kakhulu nomhlaba, ngakho inyanga ise-perigee Ibonakala ikhudlwana uma iseduze kunalapho iseduze ne-apogee.
Onyakeni wekhalenda, kuvame ukuba nezinyanga eziyi-12 noma eziyi-13 ezigcwele.Uma inyanga egcwele iseduze ne-perigee, inyanga izovela inkulu futhi iyindilinga ngalesi sikhathi, okubizwa ngokuthi "i-supermoon" noma "inyanga egcwele kakhulu".“Ama-Supermoon” awavamile, asukela kanye noma kabili ngonyaka kuya kathathu noma kane ngonyaka.“Inyanga egcwele enkulu kunazo zonke” yonyaka yenzeka lapho inyanga egcwele yenzeka eduze kakhulu nesikhathi lapho inyanga iku-perigee.
Inyanga egcwele eyavela ngoJuni 14, umzuzu ogcwele kakhulu uvele ngo-19:52, kuyilapho inyanga i-perigee kakhulu ngo-7:23 ngoJuni 15, isikhathi esiyindilinga nesikhathi se-perigee sasingaphansi kwamahora angu-12 kuphela. ububanzi obubonakalayo benyanga yale nyanga egcwele bukhulu kakhulu, obucishe bufane “nenyanga egcwele enkulu kunazo zonke” yalo nyaka.“Inyanga egcwele enkulu” yalo nyaka ivela ngo-July 14 (usuku lweshumi nesithupha lwenyanga yesithupha).
“Ngemva kokuhlwa ngomhla ka-14, amalungu omphakathi anentshisekelo avela kulo lonke izwe lethu angakwazi ukunaka le nyanga enkulu esibhakabhakeni ebusuku futhi ayijabulele ngamehlo enyama ngaphandle kwesidingo sanoma iyiphi ithuluzi.U-Xiu Lipeng uthe, “'Inyanga encane egcwele' yalo nyaka yenzeka ngoJanuwari walo nyaka.Ngomhla ka-18, uma umuntu onezinhloso ethwebule inyanga egcwele ngaleso sikhathi, wayengasebenzisa izinto ezifanayo kanye nemingcele yobude bendawo efanayo ukuze ayithwebule futhi lapho inyanga isendaweni efanayo yokuxhumanisa evundlile.Inyanga enkulu egcwele 'inkulu' kangakanani.”