Kungiyar masanan taurari a karkashin inuwar Cibiyar Fasaha ta Massachusetts ta buga , inda ta sanar da sabuwar nasarar da aka samu na sabuwar manufa ta neman taurari a wajen tsarin hasken rana. Transiting Exoplanet Survey Tauraron Dan Adam (TESS) na'urar hangen nesa, A ranar 18 ga Afrilu, 2018, ya gano mafi ƙanƙanta abu a cikin ɗan gajeren aikin bincikensa - mai yiwuwa duniyar dutse ce mai girman girman duniyarmu.
Exoplanet HD 21749c yana kewaya tauraron HD 8 tare da tsawon kusan kwanaki 21749. Tsarin HD 21749 yana da shekaru 53 haske daga gare mu. Tauraron yana rike da kusan kashi 80% na yawan Rana. Gajeren kewayawa da duniyar tauraruwarta ke yi na nufin yanayin zafin samanta na iya wuce ma'aunin Celsius 450. A cikin fahimtarmu, rayuwa akan irin wannan dutse mai zafi ba zai yiwu ba. Amma wannan ba zai hana TESS nasara ba. Dabarun bincike da kayan aikin za su haɓaka, kuma masu binciken sararin samaniya suna tsammanin samun ɗimbin taurarin sararin samaniya a cikin yankin da ke da daɗi daga mahangar rayuwa ta duniya.
Ya kamata a ce na'urar hangen nesa ta Kepler orbital ya gano 2662 exoplanets a cikin shekaru masu yawa na aiki, wanda yawancinsu girman duniya. Manufar TESS ta bambanta. Na'urar hangen nesa ta TESS tana nazarin taurarin da ke kusa da kuma, tare da kayan aiki na ƙasa a cikin Chile (Planet Finder Spectrograph, PFS), yana ba da damar tantance yawan jama'a har ma da abubuwan da ke tattare da yanayi na exoplanets tare da ƙayyadaddun daidaito.
Sama da shekaru biyu, aikin TESS yana tsammanin yin nazarin tsarin taurari sama da 200. Masana kimiyya suna tsammanin wannan zai taimaka gano sama da 000 exoplanets. Tauraron dan Adam ya rufe sama da kashi 50% na sararin samaniya cikin kwanaki 90. Af, an gano wani exoplanet a cikin HD 13,5 tsarin - HD 21749b. Amma wannan jikin sama yana cikin ajin "sub-Neptune", kuma TESS ta riga ta gano abubuwa da yawa.
source: 3dnews.ru