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My last tweet from "Prospecting Asteroid Resources" Martin Elvis http://t.co/Dn2g4iiyOS Good review of current status (2013)
My last tweet from "Prospecting Asteroid Resources" Martin Elvis http://t.co/Dn2g4iiyOS Good review of current status (2013)
my newest #outofthisworld chapter was just published in a new book- #asteroids #mining http://t.co/KBMNtnhF5m