4 ms·
that's because of gravity and economics.
by tybris 17y ago
that's because of gravity and economics.
- randallsquared 17y agoEconomics, in the sense of being the study of human action, sure. Gravity, only in some much weaker senses. We've known since the Orion project how to get off the planet quickly, easily, and with a lot of cargo; the reasons we haven't done so are not primarily because of how much money it costs.