A surface na Mars ne ma fi hatsari fiye da muke zaton

Lokacin aika wani kumbon sama jannati zuwa Mars, shi ya za a sosai haifuwa haɗari, ya bai riƙi wani rayuwa a duniya. Bayan duk, ba wanda yake so ya sama surface na Red Planet, kuma Duniya ta mazaunan iya yin ƙarya bude a nan gaba.

M kafofin watsa labarai da farfajiya Mars

Duk da haka, masana kimiyya a cikin sabon binciken sa da m shawara. Dzhennifer Uodsvort da Charlz Kokell Jami'ar Edinburgh ce cewa ko da irin samu auku, da farfajiya Mars, bisa manufa, ba da damar wani Kwayoyin tsira. Wannan ya nuna cewa samu daga kumbon sama jannati bazai irin wannan babban matsala.

Mene ne perchlorate

A cikin binciken, da masu bincike ya gano cewa a kan surface Mars hasken rana na iya kunna wani fili da ake kira perchlorate. A cikin aiki jihar, da wannan fili shi ne m ga kwayoyin cuta, da kuma shi ne sosai a kan Mars. A baya can an yi tunanin cewa perchlorate da aka kunna ta zafi, da kuma yadda Mars sanyi sosai, wannan ya kamata ku ji tsoro.

"A baya can, masana kimiyya zaton cewa perchlorate ba za a iya kunna a Martian yanayi - Wadsworth ce a cikin wata hira IFLScience. - Idan muna so mu gane rai a duniyar Mars, dole ne mu dauki wannan a cikin asusun. "

dakin gwaje-gwaje da bincike

The masana kimiyya sanya su karshe abunda aka kwaikwaya Martian yanayi a cikin dakin gwaje-gwaje. Yin amfani da wani anaerobic ɗaki a wanda bãbu oxygen, suna reconstituted tsawon hasken rana tãguwar ruwa a farfajiya na Mars. masana harkokin kimiyya, sa'an nan kula da sakamako na perchlorate a cikin wannan jiha, jimlar samu samu a kan wani sararin Bacillus subtilis.

A yanayi irin wannan to Mars, da Kwayoyin mutu a cikin 'yan mintuna a karkashin yanayin kunnawa perchlorates. Wannan ya nuna cewa surface Mars ne ma fi mai guba zuwa rayuwa fiye da masana kimiyya a baya tsammani.

"Mun har yanzu ba su san da yawa game da m yanayi na Martian yanayi - Wadsworth ce. - Kila, kalubale mafi girma zai zama ga rayuwar wani babban juyi na ionizing radiation, wanda ratsa ta cikin bakin ciki yanayi, kuma ya kai surface na Red Planet. Bugu da kari, mu nazarin ya nuna cewa wasu daga cikin kwayoyin a kan surface iya zama sosai mai guba. "

Sterilization na kumbon sama jannati

Komowa zuwa farkon mu tattaunawar, yake nufi da cewa kada mu damu game da sterilization na kumbon sama jannati waɗanda aka aika zuwa Mars? Yanzu masana kimiyya ba su ma suna da damar gano wasu yankunan na duniya, da aka sani a matsayin na musamman wuri, saboda ba su da fasaha yiwuwar zuwa bakara kumbon sama jannati zuwa high isa matakin don kauce wa hadarin kamuwa da cuta.

Yana ba haka sauki. The masana kimiyya suka gudanar da binciken, ya lura da cewa wasu rayuwa siffofin, ya kira extremophiles iya tsira a matsananci yanayi. A kwayoyin da aka jarrabi a cikin nazari ba extremophiles. Saboda haka, masana kimiyya har yanzu ba su sani ba, shin, extremophiles iya tsira a kan Martian surface.

"Yana da muhimmanci a ci gaba da daukar dukkan shirinsu ba zuwa sama Mars - masana kimiyya ce. - Dole mu yi kamar yadda da yawa sauna disinfect duk kayan aikin ko a duniya da kaddamar da kumbon sama jannati. "

Inda ya nemi Martian rai

Kamar yadda da Martian rai, kada ku firgita. Ko da yake shi ne mai wuya wani rai - da ake dasu ko kuma wasu - za su iya tsira a kan Martian surface, karkashin kasa rai har yanzu da alama kamar mai kyau damar. Ina rayayyun kwayoyin halitta za a iya kare ba kawai ta hanyar radiation amma kuma ta aiki perchlorates.

Masana kimiyya sani ba yadda nisa iya shiga perchlorates. Amma shi ne iya cewa 'yan mita kasa tabbata daga rayuwar iya zama. More bayanai za su kasance samuwa a 2021, lokacin da hakowa na'ura Turai ExoMars karshe shãfe Mars. Isar da haifuwa, ba shakka.