Bayan nazarin duniyar Mars shekaru da yawa, masana kimiyya sun yarda cewa akwai kyakkyawar dama cewa tasirin tauraron dan adam ko taurarin taurarin dan adam ya canza makomar Red Planet. Idan aka kwatanta da Duniya, Mars tana cike da ramuka masu ɓarna, wanda ba abin mamaki bane idan aka ba da matsayi mara kyau na Mars a cikin tsarin hasken rana, kusa da bel ɗin asteroid.
A sakamakon haka, taurarin taurari suna ci gaba da harba Mars, kuma ba kamar Duniya ba, Mars ba ta da wata mafi girma don kare ta daga taurarin da ke shigowa.
Idan muka waiwayi zamani, mun san cewa manyan duwatsun sararin samaniya sun yi tasiri a Duniya a baya, kuma wasu daga cikin tasirin na iya canza tarihin tarihin duniyarmu.
Gurbin tasirin Chicxulub, wanda ke kan tekun Yucatan na Mexico (duba hoton da ke sama), yana ɗaya daga cikin mafi kyawun misalan da muka sani, kuma wasu masana sun yi imanin cewa ita ce babbar sanadin halakar dinosaur.
Shin yana yiwuwa wani abu makamancin haka na iya faruwa a duniyar Mars idan wani abu makamancin haka ya faru a Duniya? A duniyar Mars, mun gano ramin tasiri mai ban sha'awa a yankin Lyot wanda ke da nisan mil 125 a diamita.
Girman wannan dutsen mai tasiri yana nuna yadda tasirin yayi ƙarfi, kuma yana iya zama ɗaya daga cikin manyan dalilan da yasa Mars yanzu ta zama “hamada”.
Tasirin wannan tauraron dan adam zai iya yin barna a tsarin duniyar Mars. Da zai kasance wani babban bala'i ne dangane da canjin yanayi na duniya. Shin mai yiwuwa ne duniyar Mars ta rayu tun kafin ta rasa yanayin ta?
Hatta wayewar da a da ake kira Mars “gida” yanzu ta ƙare. Idan haka ne, ina Martawan suka tafi? Shin sun fitar da shi da rai? Shin sun sami nasarar tserewa kafin bala'in? Shin Mars tana da alaƙa da Duniya ta kowace hanya? Waɗannan kaɗan ne daga cikin tambayoyin da yawa da ke buƙatar amsawa.
Viking I ya isa ga manufarsa, Mars, a ranar 20 ga Yuli, 1976, bayan tafiyar watanni goma daga Duniya. Hotunan da Viking I suka dawo Duniya sun kasance masu ban sha'awa, kuma wasu daga cikinsu sun bayyana cewa Mars ba ta bambanta da Duniya ba.
Wasu yankuna a duniyar Mars, kamar kwarin mutuwa, suna kama da wurare a Duniya. Bayan yin gwaje -gwaje iri -iri don neman rayuwa a duniyar Mars, labarin Viking I ya zama mai ban sha'awa. Viking Na dawo da sakamako mai rikitarwa.
Dr. Gil Levin ya ƙirƙiri ɗaya daga cikin gwajin binciken Viking, wanda shine gwajin “mai sauƙi”. Ya bayyana cewa kwayoyin halittu, kamar ni da kai da duk wani abu, muna numfashi sannan sai fitar da iskar carbon dioxide.
NASA ta tattara karamin samfurin ƙasa na Martian kuma ta sanya shi a cikin ƙaramin akwati, wanda aka bincika na mako guda don alamun “kumfa” a cikin bututu, sannan wani abin da ba a zata ya faru bayan kwana bakwai.
Dangane da ma'aunin NASA, gwajin rayuwa a duniyar Mars yana da kyau tunda an ga “kumfa” a cikin akwati na Viking I. Sauran gwaje -gwaje da ma'auni daban -daban sun dawo mara kyau, yayin da gwaji ɗaya ya dawo tabbatacce ga rayuwa.
NASA ta zaɓi yin taka tsantsan a wannan lamarin, tana mai cewa, "Babu tabbacin rayuwa a duniyar Mars." A cewar wasu masana kimiyya, duniyar Mars tana da yanayi mai kama da na Duniya, amma an shafe shekaru miliyan 65 da suka gabata.
Ƙari ga wannan ka'idar, an yi hasashe a baya cewa wayewar da duniyar Mars ta kasance a baya na iya tserewa zuwa Duniya don neman mafaka. Don haka, yanzu mun cancanci matsayin “Martians” da muke nema?
Wasu masana kimiyya sun yi iƙirarin gano kwararan hujjoji na ɓacewar wayewa a duniyar Mars, kuma wataƙila sun gano siginar nukiliya a cikin yanayin Martian wanda ya dace da Duniya bayan gwajin nukiliya.
A cewar masana kimiyya, ana iya samun shaidar Xenon-129 da yawa a duniyar Mars, kuma hanyar da aka sani kawai ta sa Xenon-129 fashewar nukiliya ce. Shin wannan wani misali ne na yadda Mars da Duniya suke kama? Ko yana tabbatar da cewa duniyar Mars ta kasance wani wuri daban?
