Mars is an attractive planet to search for extraterrestrial life because its surface contains clear evidence that water flowed across it. There are large channels and valley networks, both of which seem to require large amounts of flowing water.
علامات وجود قنوات مائية على سطح المريخ
http://www.psrd.hawaii.edu/Oct96/AncientMars.html
يلا يامرمر إحجزى لى كام فدان جنب الترعة اللى على الشمال
وأنا ح أعمل نفسى وكأنى ما شفتكيش جنب بوش