p
Iqembu lezazi zezinkanyezi lisanda kuthola into entsha ebhande le-asteroid. Ngosizo lweHubble Space Telescope, okuthile okunalezi zici akubonwanga ngaphambili. Ibhande le-asteroid yisifunda esiphakathi kweMars neJupiter, esigcwele ama-asteroid azungeza iLanga, njengamanye amaplanethi. Yize imvelaphi yayo ingaziwa ngo-100%, umbono owamukelwa kabanzi uchaza ukuthi kungaba "yicala elehlulekile" lomhlaba. Ngenkathi kudalwa uhlelo lwonozungezilanga, aluzange lube khona. Ngemuva kwemithelela yamanye ama-meteor, njll., Kugcine kufana nebhande esilibonayo njengamanje.
Le nto entsha, ngama-asteroid amabili ajikelezayo. Lokhu kwenza kube i-asteroid yokuqala kanambambili. Into ebingakaze ibonwe phambilini. Kukho konke lokhu, ngokungeziwe, kubekwe njenge-comet! Ihlanganisa ukhefana ogqamile nomsila omude. Ucwaningo, olwethulwe kumagazini i-Nature, ngenkanyezi enomsila engu-288P, ngaleyo ndlela iba yi-asteroid yokuqala kanambambili ehlukaniswe njengenkanyezi enomsila.
Uphenyo
Umbono wokuqala uqale ngoSepthemba 2016, ngaphambi nje kokuthi i-288P isondele kakhulu eSun. Lokho kwavumela ukubukwa okuningiliziwe kwento esebenzisa uHubble. Ekubonweni kungabonakala ukuthi kunjalo ama-asteroid amabili osayizi ofanayo. Zizungezelana ebangeni elingu-100km.
Into engabuye ibonwe kwi-asteroid ukuba khona kweqhwa. Umholi weqembu uJessica Agarwal waseMax Planck Institute uthe: “Sithole izinkomba eziqinile zokuncishiswa kweqhwa lamanzi ngenxa yokushisa kwelanga. Ngokufana nokuthi umsila we-comet wenziwa kanjani.
Ukuqonda umsuka nokuvela kwezinkanyezi ezinomsila ezizungeza ibhande le-asteroid kubalulekile. Ukuqonda okuningi nokwakheka kweSolar System kungazalelwa lapho. Inkanyezi enomsila kanambambili 288P, yethulwa kusukela manje kuqhubeke, njengoba isiqeshana esiyisihluthulelo, ukuqonda ukuqala kokuthi iSolar System yavela kanjani.