Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: A lokacin bayyanarsa ta 1986, Halley's Comet ya zama tauraron dan adam na farko da za a lura da shi dalla-dalla ta hanyar sararin samaniya, yana ba da bayanan farko game da tsarin kwayar tauraron dan adam da kuma tsarin koma da kuma saurin kafa. Wadannan lura sun goyi bayan wasu tsinkaye na dogon lokaci game da ginin comet, musamman samfurin "dirty snowball" na Fred Whipple, wanda ya yi daidai da cewa Halley zai kunshi cakuda kankara mai narkewa - kamar ruwa, carbon dioxide, da ammonia - da ƙura. Har ila yau, ayyukan sun ba da bayanan da suka sake gyarawa da sake tsara waɗannan ra'ayoyin; alal misali, yanzu an fahimci cewa farfajiyar Halley ta ƙunshi abubuwa masu ƙura, kayan da ba su da ƙarfi, kuma ƙaramin ɓangarensa ne kawai.  Tambaya: Menene sunan tauraron dan adam na farko da jirgin sama ya gani dalla-dalla?
Tauraron Halley