3 ms·

Space mining?

• dkobia 7y ago
  Asteroids!
• dredmorbius 7y ago
  Unlikely. https://dothemath.ucsd.edu/2011/10/why-not-space/ https://dothemath.ucsd.edu/2011/10/why-not-space/ http://www.antipope.org/charlie/blog-static/2007/06/the_high_frontier_redux.html http://www.antipope.org/charlie/blog-static/2007/06/the_high... $15,000/kg, to the Moon.