Could humanity send astronauts to Alpha Centauri like in 'Lost in Space'?


"Science begets knowledge, opinion ignorance.
Certainly not at the moment. Maybe in many many, hundred years' time, but, probably never.
Main difficulties:
Life expectancy of humans as a species
Distance and time taken in relation to human life expectancy (individually)
Distance and speed / fuel payload. Vast increase in fuel consumption with speed
Radiation (weight of protection irt fuel consumption)
Danger from any high speed particles (weight of protection irt fuel consumption)
Inadequacy of sail propulsion.

Cat :)

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