3 ms·

Not risk adjusted.

• QAPereo 9y ago
  Compared to the risk of Mars? I take your point, but let’s be realistic about our odds on Mars without Earth backing it all up.
  • ethbro 9y ago
    Granted. And initially, sure, but aiming long term for a single-planetary culture that took 3.8 billion years to develop seems shortsighted. The risk of that life snuffing out may be small, but the time cost of replacement should that happen is huge.