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Sorry, what? There are obviously a lot of massive challenges to overcome, but how is today’s propulsion technology specifically a limiting factor to being a mul
by trevyn 9y ago
Sorry, what? There are obviously a lot of massive challenges to overcome, but how is today’s propulsion technology specifically a limiting factor to being a multi-planetary species?
- tardo99 9y agoBecause if you travel in interstellar space for long enough, you are almost certain to experience problematic levels of DNA damage and get cancer.
- the8472 9y agoThere are additional planetary bodies in the solar system and it is probably easier (relatively speaking) to build a sustainable habitat on one than building a completely self-sustaining inter-stellar spaceship.
- dwaltrip 9y agoThe technology exists today to provide adequate shielding... Hell, as I recall, a simple buffer of several feet of water surrounding the living quarters would do the trick.
- trevyn 9y agoYou don't need to travel through interstellar space to get to Mars.