El ALMA madubin hangen nesa a cikin kankanin lokaci ya zama daya daga cikin mahimman makamai da duk masanan ilmin taurari ke doron duniyar albarkacin karfi da iyawa. Godiya madaidaiciya ga damar da wannan kayan aikin ya bayar, wasu gungun masana taurari sun yi nasarar gano iskar oxygen a wani wuri mafi nisa da na'urar hangen nesa ta kama, matashiyar galaxy A2744_YD4.
Ofaya daga cikin mahimman abubuwan da ke tattare da wannan galaxy mai nisa shine,, ga mamakin masu bincike, ya ƙunsa adadi mai yawa na stardust, wani abu da zai iya zama sanadin mutuwar wani ƙarni na farko da na farkon taurari. Wannan kurar, kuma, yawanci an hada ta da abubuwa kamar silicon, carbon da aluminium, abubuwan da suke cikin ƙananan ƙwayoyi masu girman girman miliyan ɗaya na santimita.
Nicolas Laporte da tawagarsa sun gano iskar oxygen a cikin tauraron A2744_YD4.
Kamar yadda bayani ya bayyana Nicholas Laporte, mai bincike a Jami'ar London kuma shugaban kungiyar da suka yi wannan binciken:
A2744_YD4 ba shine kawai galaxy mafi nisa da ALMA ya lura dashi ba, amma gano ƙura mai yawa yana nuna cewa wannan damin tauraron dan adam ya riga ya gurɓata ta. Tana cikin wani babban tauraro wanda aka riga aka sani wanda ya samo asali lokacin da duniya take da kashi huɗu cikin ɗari kawai na shekarunta na yanzu.
Wannan binciken ya sa ya yiwu a gano fitowar hayaki mai iska, wanda ya basu damar duba galaxy kamar yadda yake lokacin da sararin samaniya bai kai shekara miliyan 600 ba, lokacin da taurari na farko da taurari suka fara. Dangane da hasashen da aka yi bayan karatuttukan, ya nuna cewa damin taurari zai ƙunshi ƙura daidai da sau miliyan shida na girman Rana.