How deep...
Would one have to drill to find LIQUID water on Mars?
Assuming such a thing exists in the first place.
Find that along with methane, and maybe we got something here.
Space/Science » in reply to "Plumes of methane identified on Mars."
Would one have to drill to find LIQUID water on Mars?
Assuming such a thing exists in the first place.
Find that along with methane, and maybe we got something here.