Ithimba lamazwe omhlaba lezazi zezinkanyezi, kufaka phakathi abacwaningi abavela e-Institute of Astrophysics of the Canary Islands (IAC), lithole iminyaka engama-200 ekhanyayo evela kithi uhlelo lwamaplanethi ayisithupha, amahlanu awo adansela isigqi esingajwayelekile ezungeze inkanyezi yawo emaphakathi, i-TOI-178 .
Kodwa-ke, akuyona yonke into evumelana. Ngokungafani nesimiso sethu sonozungezilanga, lapho amalungu aso ebonakala ehleleke kahle ngobuningi, noMhlaba namazwe anamadwala ngaphakathi nezingqungqulu zegesi ngaphandle, kulokhu izinhlobo ezahlukahlukene zamaplanethi zibonakala zixubene ngendlela exakile.
Lolu hlelo lweplanethi oluneminyaka engu-7.1 billion kanye nokuphikisana, kuchazwe kulo magazini "I-Astronomy ne-Astrophysics", iphonsela inselelo ulwazi lwesayensi mayelana nokuthi izinhlelo zezinkanyezi zakha futhi ziguquke kanjani.
Yize ososayensi beye basibona lesi senzakalo esaziwa njenge-resonance ngaphambili kwezinye izinhlelo zeplanethi, kungokokuqala ukuthi amaplanethi afanayo ahluke ngokuphelele komunye nomunye.
Abaphenyi basebenzise isibonakude sasemkhathini i-CHEOPS se-European Space Agency ukuthola ukwakheka okungajwayelekile. Izazi zezinkanyezi zathola ukuthi amaplanethi amahlanu kwayisithupha avalelwe ngesigqi se-harmonic, lapho imizila yawo ihlangana khona iphethini ehambisanayo.
Amaplanethi amahlanu angaphandle akuchungechunge lwe-resonance ka-18: 9: 6: 4: 3. Ukuphindaphindwa kuka-2: 1 kungakhombisa ukuthi kumjikelezo ngamunye weplanethi yangaphandle, owangaphakathi wenza amabili. Endabeni ye-TOI-178, lokhu kusho umdanso onesigqi odidayo ngezansi:
Ubuningi bamaplanethi ohlelweni nakho akujwayelekile. Kuhlelo lwelanga, amaplanethi amatshe aminyene asondelene kakhulu neLanga, alandelwa yimidondoshiya yegesi elula. Endabeni yohlelo lwe-TOI-178, iplanethi eminyene efana noMhlaba iseduze kweplanethi enesiponji kakhulu nengxenye yobuningi beNeptune, ilandelwe njengeNeptune. Lo mklamo oyingqayizivele kanye nomsindo wawo osemkhathini “ukuphonsela inselelo lokho esikwaziyo mayelana nokuthi izinhlelo zeplanethi zakhiwa kanjani,” ngokusho kwabalobi.
"Imizila yalolu hlelo ihlelwe kahle kakhulu, okusitshela ukuthi lolu hlelo selwenzeke kahle kakhulu selokhu lwazalwa," kuchaza u-Yann Alibert wase-University of Bern nombhali-mbhali womsebenzi.
Eqinisweni, ukuzwakala kwesistimu kukhombisa ukuthi ihlale ingashintshile kusukela yenziwa. Ukube phambilini bekuphazanyisiwe, kungaba ngumthelela omkhulu noma amandla adonsela phansi olunye uhlelo, ukumiswa okuntekenteke kwemizila yawo bekuzosulwa. Kodwa bekungenjalo.
“Siyaqala ngqa ukubona into efana nalena. Ezinhlelweni ezimbalwa esizaziyo ngokuvumelana okunjalo, ukuminyana kwamaplanethi kuhlala kuncipha njengoba sisuka enkanyezini, ” kusho omunye wababhali be-ESA nososayensi wephrojekthi uKate Isaak.
