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But go on, how would be go about that, and what's being done in that regard?
Many of the richest people in the world are already working on asteroid mining projects. There are different approaches being considered:
  • Wait for a relatively near approach and try to mine whatever minerals happen to be present.
  • Identify a particularly suitable asteroid and send robot miners out to it.
  • Try to nudge a mineral rich asteroid into Earth orbit and then send the robot miners up.
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