دانشمندان می گویند هیچ شهری در ماه وجود ندارد - آب کافی وجود ندارد (op-ed)

No cities on the moon — there isn't enough water, scientists say (op-ed)

The discovery of water in dark craters at the moon's poles has sparked a "moon rush" to establish bases there, and then villages, cities and heavy industry. How sustainable is this rush?