Tun daga shekarar 1976, samfuran farko na duwatsun wata da aka dawo da su Duniya sun sauka. A ranar 16 ga Disamba, jirgin sama na Chang'e-5 na kasar Sin ya dawo da kimanin kilogiram 2 na kayan aiki bayan ya yi tafiya cikin sauri zuwa saman wata.
Jirgin E-5 ya sauka a kan wata a ranar 1 ga Disamba, kuma ya sake tashi a ranar 3 ga Disamba. Lokacin da jirgin ke aiki a sararin samaniya ya yi gajere sosai saboda yana amfani da hasken rana kuma ba zai iya jure wa daren da ke haskaka wata ba, wanda yanayin zafi ya kai ƙasa da -173°C. Kalandar wata tana ɗaukar kimanin kwanaki 14 na duniya.
"A matsayina na masanin kimiyyar wata, wannan abin ƙarfafa gwiwa ne kuma ina jin daɗin cewa mun koma saman wata a karon farko cikin kusan shekaru 50." in ji Jessica Barnes ta Jami'ar Arizona. Aikin ƙarshe na dawo da samfuran daga wata shine binciken Soviet Luna 24 a shekarar 1976.
Bayan tattara samfura biyu, ɗauki samfura ɗaya daga ƙasa, sannan ɗauki samfura ɗaya daga kimanin mita 2 a ƙarƙashin ƙasa, sannan a ɗora su a cikin abin hawa mai hawa, sannan a ɗaga don sake haɗuwa da kewayar motar aikin. Wannan taron shine karo na farko da jiragen sama guda biyu masu amfani da na'urar robot suka yi tashar jiragen ruwa ta atomatik a wajen kewayar Duniya.
An mayar da kapsul ɗin da ke ɗauke da samfurin zuwa ga jirgin sama mai dawowa, wanda ya bar zagayen wata ya koma gida. Lokacin da Chang'e-5 ta kusanci duniya, sai ya saki kapsul ɗin, wanda ya yi tsalle daga sararin samaniya a lokaci guda, kamar dutse yana tsalle a saman tafki, yana rage gudu kafin ya shiga sararin samaniya ya kuma tura parachute.
A ƙarshe, kapsul ɗin ya sauka a Inner Mongolia. Za a adana wasu ƙurar wata a Jami'ar Hunan da ke Changsha, China, sauran kuma za a rarraba su ga masu bincike don yin bincike.
Ɗaya daga cikin mahimman binciken da masu bincike za su yi shine auna shekarun duwatsun da ke cikin samfuran da kuma yadda yanayin sararin samaniya ke shafar su a tsawon lokaci. "Muna tsammanin yankin da Chang'e 5 ya sauka yana wakiltar ɗaya daga cikin ƙananan kwararar lawa a saman wata," in ji Barnes. "Idan za mu iya iyakance shekarun yankin, to za mu iya sanya tsauraran matakai kan shekarun dukkan tsarin hasken rana."