BLUF
The author of this article argues that medical, financial and ethical hurdles stand in the way of mankind’s dream to settle in space.Summary
KEY POINTS:
- Private companies are designing infrastructure for lunar habitation, while Elon Musk wants to colonize Mars.
- Health risks, alone—such as cancer from cosmic rays—could be colonization deal-breakers.
- Public support for spending big on space colonization has never been strong.
