Makonni kaɗan da suka gabata mun riga mun sami dama don magana game da gaskiyar cewa tashar sararin samaniya ta Sin tiangong-1 shine ya zama a zahiri daga iko, wani abu da ƙarshe zai sanya shi rugawa zuwa duniya. Wataƙila ɓangaren da zai fi damun mu game da wannan batun duka shi ne, kasancewar ba shi da iko, har zuwa 'yan kwanakin da suka gabata ba a san tabbas lokacin da zai faɗi a duniya ba musamman ma a ina.
A ƙarshe dole ne mu jira har zuwa kwanakin nan don ƙarin bayani game da gaskiyar cewa duk tashar sararin samaniya ta faɗi akan Duniya. Tsoron, kamar yadda masana suka fahimta makonnin da suka gabata, ƙwararrun da ke sa ido kan halin da Tiangong-1 ke ciki koyaushe shine, Saboda girmansa, ba zai tarwatse kwata-kwacin shigar ta Duniya ba. don haka isasshen kayan aiki zai faɗi, ko dai cikin teku, ko a kan ƙasa.
Littleananan tarihi don fahimtar dalilin da yasa Tiangong-1 ya wanzu
Kasar Sin kusan a koyaushe tana waje don bin wani tsarin dabaru daban-daban dangane da kasancewarta daban a tseren sararin samaniya. A zahiri kuma a wannan ma'anar zamu iya cewa China koyaushe tana bin nata tafarkin, tana yin saka hannun jari da ake buƙata ba tare da buƙatar haɗin kai daga waje ba. Da wannan a zuciya, har sai da Satumba 30, 2011 lokacin da kasar ta yi kokarin sanya wanda aka yi masa baftisma a matsayin Tiangong-1, daidai da cewa a lokacin 2012 da 2013 ya zo gida har zuwa 'yan saman jannati shida a ciki.
Idan muka kara bayani dalla-dalla, ya kamata a lura cewa muna magana ne game da hadadden abu kimanin mita 10 a tsayi kuma mita 3 a diamita. Duk da kasancewa mafi ƙarancin dakin gwaje-gwaje na ɗabi'a a cikin tarihi, wannan shine yadda al'umma suka yi masa baftisma a lokacin, gaskiyar ita ce muna magana ne akan Tsarin kilogram 8.500. Idan muka sanya wannan nauyin a cikin hangen nesa, gaya muku cewa ya fi kama da wanda jirgi kamar na SpaceX Dragon na iya samun shi, nesa da wanda wasu hadadden hadadden gidan kamar MIR na Rasha suka gabatar da kilogram 120.000.
Da zarar an saka Tiangong-1 cikin falaki, da farko ya fara aiki a zagaye mai tsayin kilomita 198 x 332 da digiri 42 na son yi. Daga baya tashar sararin samaniya ta kasance an daukaka zuwa kilomita 336 x 353. Da zarar an cimma wannan matsaya, ana tashe tashar sau ɗaya ko sau biyu a shekara, kamar yadda ake buƙata, don biyan bashin gogayya. A wannan lokacin da a shekarar 2016, gwamnatin China ta rasa ikon tashar saboda haka ba za su iya ci gaba da gudanar da aikin dagawa ba, wanda ya kawo mu ga inda muke a yau.
Tiangong-1 yana tafiyar kilomita 27.000 / awa, wani abu da ya sa ba za a iya faɗin inda zai faɗi ba
Daya daga cikin manyan matsalolin da masana kimiyya ke fuskanta yayin yin hasashen inda Tiangong-1 zai iya fadowa shi ne gaskiyar cewa, yayin shiga cikin yanayi, yayi tafiya cikin sauri kusa da kilomita 27.000 / awa. Wannan ya sanya yankin tasirin sa, kamar yadda zaku iya gani a hoton da ke sama da waɗannan layukan, suna da faɗi sosai. Duk da haka, dole ne a yi la'akari da cewa, bisa ga bayanan ESA na hukuma, bai kamata mu ji tsoro ba tunda, duk da haɗarin da Tiangong-1 ke haifar da faɗuwa zuwa yankin, gaskiyar ita ce Yiwuwar bugun mutum ko gini shine 1 cikin 10.000.
Saboda wannan kuma, kodayake ana sa ran tashar sararin samaniya ta fadi zuwa karshe a ranar 1 ga Afrilu, gaskiyar ita ce bai kamata mu sami ko la'akari da wannan yanayin a matsayin wani abu mai haɗari ba. A wannan lokacin kuma in gama, Ina so in koma ga NASA kanta, wata hukuma wacce daga cikin lissafin da aka buga, ta ba da sanarwar cewa yiwuwar abin da ke da kimanin tan 6 zai iya same mu ya ragu sosai fiye da waɗanda aka nuna a baya, yana tsaye a cikin 5 a Tiriliyan 1.