Sesinye seziganeko ezikhwankqisayo kwikhalenda ye-stargazer, kodwa ngo-2020, ukubona ishawa ye-Perseid meteor kuyakufuna ixesha elifanelekileyo. Nangona icwangciselwe ukuba iphakame ukusuka ezinzulwini zobusuku kude kube sekuseni ukusuka nge-11 ukuya kwi-13, ishawa iya kukhuphisana ngokukhanya kwenyanga okuqaqambileyo. Ngethamsanqa, iiPerseids ziyaziwa ngokuvelisa iinkwenkwezi zokudubula eziqaqambileyo, okuthetha ukuba usafanele ukwazi ukuzibona ngaphandle kokuphazamiseka kwenyanga.
Yintoni iPerseid meteor shower?
Zonke iinkwenkwezi zokudubula zibangelwa nguMhlaba ungqubana nemilambo yothuli kunye nenkunkuma echithwe zii-comets okanye ii-asteroids. Njengokuba la masuntswana abizwa ngokuba zii meteoroid, ehlasela iatmosfera aze atshe (ngaloo ndlela ajika abe ziimeteor), siwabona njengeenkwenkwezi zokudubula. Esona sitya sikhulu seemajukuni sonyaka, i-Perseids ka-Agasti, sibangelwa yi-Comet 109P / Swift-Tuttle, eyagqibela ukutyhutyha isixokelelwano selanga ngo-1992. Nge-11 ka-Agasti neli-13 kulo nyaka, nangona ishawa yonke yeemeteor iqala ukusukela nge-17 kaJulayi ukuya nge-Agasti 24 kunyaka ngamnye.
Kutheni le nto inyanga iyingxaki ngexesha lokuhlanjwa kwe-meteor ye-Perseid ngo-2020?
Inyanga iya kubetha isigaba sayo sekota yesithathu nge-11 ka-Agasti, okuthetha ukuba iya kuba sisiqingatha esigcweleyo kwaye ke ngoku iyaqaqamba. Kananjalo, ukukhanya kwayo kunokuzikhupha ezinye zeemeteor zePerseid, ngakumbi nge-11 ka-Agasti. Olu luphuculo olukhulu kwimeko yonyaka ophelileyo, nangona: I-Sturgeon Moon epheleleyo yenzekile kwiintsuku nje ezimbalwa emva kwencopho yePerseids ngo-2019, okuthetha ukuba Inyanga iphantse iphindwe kabini ngokuqaqamba ngexesha lokuphakama njengoko izakubakho ngo-2020. Ngapha koko, kulo nyaka, inyanga izakube incipha, ke ayizukukhanya ngokuqaqamba kobusuku, yonke indlela yokuya kwenyanga entsha ngo-Agasti 17. .
Ufanele ujonge nini kwaye phi ngeenkwenkwezi zokudubula ngexesha lokuhlanjwa kwe-meteor ye-Perseid?
Uyakwazi ukubona iinkwenkwezi zokudubula nangaliphi na ixesha kwimozulu ye-meteor (ukusukela nge-17 kaJulayi ukuya nge-24 ka-Agasti), nangona kuya kubakho iinkwenkwezi ezimbalwa kakhulu zokudubula ngeyure kumaxesha angaphambi kwaye kulandele ubusuku obukhulu buka-Agasti 11, 12 , kunye no-13. Ngaphandle kwenyanga eqaqambileyo, obo busuku bude kakhulu lithuba lakho lokujonga ezona nkwenkwezi ziqhushumbe, kodwa sikwacebisa ukuba ujonge isibhakabhaka phakathi kuka-Agasti 13 no-Agasti 17, njengoko inyanga izakuqhubeka ukufiphala ngeli xesha. Kwaye, njengebhonasi, iiPerseids ziya kwenzeka ngokudibeneyo ne Indawo yokuhlambela imeteor yeDelta , eqala ngoJulayi 12 ukuya ku-Agasti 23.
Elona thuba lakho libalaseleyo lokujonga iinkwenkwezi zokudubula, phuma ngaphandle emva ezinzulwini zobusuku, kulapho indawo yakho ime ngokuqinileyo kwicala lobusuku boMhlaba, kwaye ujonge ngokubanzi kwisibhakabhaka esikumantla mpuma ngakwicala leenkwenkwezi iPerseus, apho iinkwenkwezi zokudubula ziya kubonakala zivela khona ( nangona zinokubonakala naphina). Ukuba ujonge i-Delta Aquariids, jonga kwi-constellation Aquarius. Elinye icebo lesicwangciso: Fikelela kude ekukhanyeni ngangokunokwenzeka. Izixeko kunye needolophu ezincinci zinokudala ukungcoliseka kokukhanya okwaneleyo ukuthatha kude namava akho okubukela. Ukuba unethamsanqa, uyakubona imeteor eskimu umhlaba kunye neepos; kwaye zivutha esibhakabhakeni ebusuku umzuzwana okanye njalo.
Jonga imeteorite esasaza ngaphaya kweTrona Pinnacles kufutshane neDeath Valley, CA ngexesha lonyaka lePerseid Meteor Showers, nge-2 Agasti 2019. Ityala: Bob Riha / Getty Izithombe
Inini imvula yeemeteor elandelayo?
Ishawa elandelayo enkulu ye-meteor yi-Orionids, isiphumo sentsalela eshiyekileyo kwi-Halley & apos; s Comet, ethi inyuke ngo-Okthobha wama-20 ukuya kowama-21, nangona eyona meteor yomtsalane yonyaka iyakuba yiGeminids, ethe yafikelela kuDisemba 13. ukuya ku-14.I-Geminid meteor shawa ngokuthembekileyo ivelisa malunga ne-100 yeenkwenkwezi zokudubula ngeyure kwaye zinokuphuma ziye kwi-150 ngeyure. Aziveli kwi-comet, kodwa zivela kwi-asteroid ebizwa ngokuba yi-3200 Phaethon.
Akukho nto ifana nokubamba inkwenkwezi ewayo, kwaye kufanelekile ukwenza uhambo oluya kwindawo emnyama yesibhakabhaka ukuze ufumane ishawa yeemeteor. Okukhona ujonga, kokukhona uya kubona. Nangona kunjalo, ukubamba incopho yePerseids ngo-2020 kuya kufuna umonde kunye nexesha elifanelekileyo. Nokuba yeyiphi na indlela, zimbalwa izizathu ezingcono zokuphumela ngaphandle kwaye ubambe inkwenkwezi, kwaye zimbalwa iinyanga ezingcono kune-Agasti zokwenza njalo. Ukuba ubusuku obucacileyo, lindela ukubona umboniso.