Masana daga Jami'ar Northumbria sun bayyana asirin daya daga cikin tsofaffin al'amura a fannin ilmin taurari, wanda ya shafi canjin saurin juyawar Saturn. Sabon binciken, wanda aka wallafa a mujallar "Journal of Geophysical Research: Space Physics", ya gano tsarin zafi da kuma kwayoyin da aka cika da wutar lantarki a cikin hasken arewa na Saturn.
Saturn ya dade yana tayar da sha'awa ga masana, musamman bayan auna da aka yi ta hanyar jirgin sama na Cassini na hukumar NASA a shekarar 2004, wanda ya nuna cewa saurin juyawar tauraron yana canzawa da lokaci. Wannan ya kasance ba daidai ba a ilmin kimiyya, domin ba a yi tsammanin cewa tauraro zai canza saurin juyawarsa ta wannan hanyar.
Bayani kan abin da ya faru
A cikin shekarar 2021, wata tawaga da ke karkashin jagorancin masanin taurari Tom Stallard daga Jami'ar Leicester ta gano cewa canjin da aka gani a saurin juyawar ba ya shafi juyawar Saturn kai tsaye, amma yana faruwa ne sakamakon iska a cikin yanayin sama. Wannan iska tana haifar da kwararan wutar lantarki da ke bayar da bayanai marasa inganci a cikin hasken arewa. Duk da haka, tambayar mafi mahimmanci ta kasance: menene ke haifar da wannan iska?
Yayin da suke gudanar da sabon binciken, masana sun yi amfani da telescope na "James Webb" don lura da hasken arewa na Saturn a cikin tsawon yini guda. Ta hanyar nazarin hasken infrared da aka fitar daga kwayar da aka sani da "tritium positive", tawagar ta samu damar samar da taswirar farko mai inganci na zafin jiki da kuma yawan kwayoyin a wannan yanki.
Wannan auna ta kasance da inganci mai ban mamaki, inda ta fi inganci sau 10 fiye da auna da aka yi a baya, wanda ya ba da damar lura da cikakkun bayanai game da hanyoyin dumama da sanyaya a cikin yanayin.
Asali da Mahimmanci
Sabbin sakamakon sun nuna cewa tsarin zafi da yawan kwayoyin suna da matukar dacewa da tsammanin tsofaffin samfurori na kwamfuta, muddin tushen zafin yana cikin wuraren da hasken arewa ke shiga cikin yanayin. Wannan yana nufin cewa hasken arewa a Saturn ba kawai kyakkyawan haske ba ne, amma yana taka muhimmiyar rawa wajen dumama yanayin a wasu wurare na musamman.
Wannan dumama tana haifar da iska, kuma wannan iska tana haifar da kwararan wutar lantarki da ke sake ciyar da hasken arewa, don haka yana haifar da wani zagaye na ci gaba. Tawagar ta bayyana wannan al'amari a matsayin "famfon zafi na tauraro", inda hasken ke dumama yanayin, iska tana tasowa, sannan wannan iska tana haifar da kwararan wutar lantarki da ke kara karfafa hasken.
Tasiri da Sakamakon
Sakamakon binciken yana nuna cewa abin da ke faruwa a cikin yanayin Saturn yana shafar filin maganadisu, wanda shine babban yanki na sararin samaniya da ke karkashin ikon filin maganadisu na tauraron. Wannan jituwa na iya taimakawa wajen bayyana yadda wannan al'amari ke kasancewa da tsayayye da kuma ci gaba na dogon lokaci.
Tawagar ta tabbatar da cewa wannan gano yana bude kofa ga fahimtar zurfi game da mu'amaloli tsakanin yanayin da filayen maganadisu a sauran taurari, kuma yana iya bayyana al'amuran da suka yi kama a duniya masu nisa a cikin da wajen tsarin rana.
Tasirin a Yankin Arab
Wannan gano yana da matukar muhimmanci ga masana da masu bincike a yankin Arab, inda yake taimakawa wajen karfafa fahimtar kimiyya game da taurari da al'amuran taurari. Hakanan, fahimtar mu'amaloli tsakanin yanayin da filayen maganadisu na iya bude sabbin hanyoyi na bincike a cikin sararin samaniya.
A karshe, wannan bincike yana wakiltar mataki mai mahimmanci wajen fahimtar zurfi game da al'amuran taurari, kuma yana nuna kokarin da masana ke yi na bincike kan asirin sararin samaniya.