Dr Petel yabwiye BBC ati:"Ntitwegereje gutora ko hariho ubuzima, ariko ico turiko turakora n'ivyo tumaze kubona ni ukurondera ahantu hakwiza ivyo umuntu akenera kuri Mars." Ahavuye isanamu, Science Photo Library Insiguro y'isanamu, Ikiyaga gisa n'urwatsi rutoto rukikijwe n'umunyu Uko ayo mazi ameze ashobora gutera ibibazo ikiremwa cose kuri Mars.
