'Yan watannin da suka gabata mun gano ƙarshen da ake jira Kepler, madubin hangen nesa wanda a tsawon rayuwarsa ya taimaka mana wajen sani da bayyana asirin sarari da yawa. Abin birgewa, kuma saboda gazawar da na'urar hangen nesa ta yi karanci a lokacin da yake na karshe, wanda da yawa daga masu tursasa shi ba sa aiki kuma ba su kyale shi ya daidaita ba, abin da ya sanya masu binciken yin amfani da shi don gano sabbin duniyoyi.
Saboda daidai gwargwadon aikin da Kepler yayi a waɗannan shekarun na ƙarshe, godiya ga wanda dubunnan sabbin kayan baje koli an gano suBa abin mamaki bane yanzu NASA ta yanke shawarar kirkirar wani sabon bincike wanda zaiyi amfani da shi ya karbi wannan. Kamar yadda ake tsammani, sabon binciken, wanda aka yi masa baftisma da sunan Tess, an shirya shi da kayan aikin da ake buƙata don aiwatar da wannan takamaiman aikin, wanda, kamar yadda yake mai ma'ana, na'urar hangen nesa ta Kepler ba ta da shi.
Kepler ya taimaka mana koya game da wanzuwar sama da kasashen waje 4.000
A matsayin tunatarwa, fada muku cewa an harba Kepler zuwa sararin samaniya a shekarar 2009. Tun daga wannan lokacin na'urar hangen nesa ta taimaka mana sanin game da kasancewar sama da samfuran sararin samaniya sama da 4.000 da ba a sani ba har zuwa wannan lokacin. Abun takaici kawai kananan adadin wadannan tsararrun halittun suna cikin yankin da ake iya rayuwa. Ofaya daga cikin mahimman bayanai da Kepler ya koya mana shine cewa a sararin samaniya akwai duniyoyi da yawa waɗanda har yanzu ba'a sansu ba saboda sun yi ƙanƙan da yawa kuma hanyar da ke gaban taurarinsu ba a iya gane su da kayan aikin da ke cikin na'urar hangen nesa.
Dukda cewa Tess Zai iya zama kyakkyawan suna mai kyau, gaskiya kuma kamar yadda yawanci yake faruwa tare da duk binciken sararin samaniya, ba komai bane kawai daga ƙarshen sunan da ya fi tsayi da wahalar tunawa. A matsayin cikakken bayani, gaya muku cewa ainihin sunan wannan binciken ba wani bane face na Transiting Exoplanet Survey Tauraron Dan Adam kuma, babban aikinta shine neman sabbin duniyoyi sama da Tsarin Rana.
Manufar Tess tana da rikitarwa fiye da yadda muke tsammani
Domin gudanar da wannan aika-aikar, binciken zai sadaukar da rayuwarsa tsawon rayuwa mai amfani yi nazarin kusan bambancin hasken tauraruwa. Wannan bambance-bambancen yana faruwa ne daidai lokacin da exoplanet ya wuce gaban tauraruwa. A wannan lokacin musamman a cikin aikin Tess, kamar yadda kuke tunani a yanzu, ba shi da bambanci da wanda Kepler telescope ke aiwatarwa.
Don gano kasancewar sabbin duniyoyi, inganta sakamakon Kepler, sabon kayan bincike an tanada shi da kyamarori huɗu tare da kusurwa kusan digiri 24, kamar nisa daga taurarin Orion. Godiya ga wannan baiwa ta fasaha, binciken zai binciko wanda bai gaza taurari miliyan 20 ba, musamman wadanda suka fi kusa da Duniya. Godiya ga wannan binciken, da zarar ƙarshen binciken mai amfani ya kai, masu kirkirar Tess suna fatan samun wasu sabbin dubunnan dubunnan wadanda suka kirga 20.000 kawai zai iya zama kama da Duniya.
NASA ta kashe dala miliyan 200 wajen kirkirar Tess da kuma kera ta
Don aiwatar da aikin, NASA dole ne ta sanya kusan dala miliyan 200, farashin da zai yi kama da ya yi yawa amma, idan muka sanya shi a mahangar, ya fi araha fiye da yadda muke tsammani, musamman idan muka yi la’akari da cewa don samun Kepler cikin sararin samaniya, dole ne a saka wasu Yuro miliyan 650. .
Ana sa ran cewa ana iya saka Tess cikin kewayar a ranar 16 ga Afrilu mai zuwa, ranar da aka shirya roket na SpaceX Falcon 9 tare da binciken da ke cikin jirgin. Ta hanyar bayani dalla-dalla, gaya muku cewa Tess zai zagaya Duniya tsakaninsa da Wata. Kashi na farko na aikin zai shafe shekaru biyu.