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Generation Ships--- Can we build one now?
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<blockquote data-quote="tomBitonti" data-source="post: 7562645" data-attributes="member: 13107"><p>I agree that there is a moral problem. But, I don't think this prevents a generation ship from being built. I do think this issue will cause problems in later generations, unless the ship is truly massive -- on the scale of Starship Warden, which held about 1.5 million people.</p><p></p><p></p><p></p><p>Sure. But, messages can still be sent and received. Just nothing like having a conversation. There ought to be nothing preventing advanced knowledge from being sent from Earth.</p><p></p><p></p><p></p><p>Yeah, depending on ongoing signals from Earth may be too much to count on. Priorities changes. Governments fall. Civilization itself might fall.</p><p></p><p></p><p></p><p>There wouldn't be any thermodynamic problems: Nuclear power could keep a ship going for a long time. (There would be an increase in entropy in the <em>fuel</em>, and it would eventually run out, but not necessarily for a very long time.)</p><p></p><p>The problem that I envision is more along the lines of keeping the ecosystem stable. Based on our experience here on Earth, we have a long ways to go to demonstrate a stable closed ecosystem.</p><p></p><p>I <em>think</em> I agree with your basic sentiment, which is that we are quite far from having either the technology or the environmental skills, or the social skills, to make a functioning multi-generation ship.</p><p></p><p>Thx!</p><p>TomB</p></blockquote><p></p>
[QUOTE="tomBitonti, post: 7562645, member: 13107"] I agree that there is a moral problem. But, I don't think this prevents a generation ship from being built. I do think this issue will cause problems in later generations, unless the ship is truly massive -- on the scale of Starship Warden, which held about 1.5 million people. Sure. But, messages can still be sent and received. Just nothing like having a conversation. There ought to be nothing preventing advanced knowledge from being sent from Earth. Yeah, depending on ongoing signals from Earth may be too much to count on. Priorities changes. Governments fall. Civilization itself might fall. There wouldn't be any thermodynamic problems: Nuclear power could keep a ship going for a long time. (There would be an increase in entropy in the [i]fuel[/i], and it would eventually run out, but not necessarily for a very long time.) The problem that I envision is more along the lines of keeping the ecosystem stable. Based on our experience here on Earth, we have a long ways to go to demonstrate a stable closed ecosystem. I [i]think[/i] I agree with your basic sentiment, which is that we are quite far from having either the technology or the environmental skills, or the social skills, to make a functioning multi-generation ship. Thx! TomB [/QUOTE]
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