The amount of He3 in lunar regolith is known from the moon rock samples: it varies a bit by location, but is single digits parts per billion. So, to get a kilogram of He3, you would need to mine, crush and heat around a hundred thousand tons of lunar regolith.
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james_davis_nicoll) wrote2015-01-29 01:06 pm
no subject
(Anonymous) 2015-01-30 08:08 am (UTC)(link)Doug M.