Are Moon Colonies Possible — or the Fantasy of Billionaires?

The economy of lunar mining and tourism

Credit: Education Images/Universal Images Group/Getty

GGrowing up, my brother and I couldn’t get enough of Space: 1999, a mid-’70s series that hypnotized us with cool special effects, the crush-worthy Barbara Bain, who acted alongside her real-life husband Martin Landau, and its portrayal of the Moon as…