RAMA wrote:

newtype_alpha wrote:

RAMA wrote:

Long term...I suggested bypassing space travel altogether, large spaceships might be already obsolete by 2050
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Probably not.
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carrying DNA and stored humans in databanks would eliminate long duration space travel and be more efficient on many levels.
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More efficient than WHAT? You're not going to conduct a manned Mars mission by shipping a bunch of frozen embryos and cloning the crew on arrival. There are NO circumstances where that scenario is in any way more efficient than simply loading up a trained crew and flying them there.
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For interplanetary missions that might be the case for awhile, but, efficiency is a huge selling point of the EIS starship/probes.
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LOL no it isn't.
There is nothing aside from the cost factor. There's no return on investment, therefore there's no incentive to invest anything. The only interstellar probes that are feasible at this point are very small ones that have at least one other secondary purpose, like the Voyager probes that return useful data on a target of interest before being catapulted out of the solar system towards the stars.