I remember listening to coast to coast the other night. they were talking about this new discovery that their may be around the same amount of water the earth contains deep deep bellow the moons crust.
Yahoo article concerning new NASA briefing http://news.yahoo.com/s/ac/20110527/us_ac/8547445_discovery_of_water_inside_moon_could_alter_origin_theory_space_travel
Couldnt help it,
and the following.. just makes you wonder?